Home / 11,013.04-15,190.50-7,236.28

Finding the Fourth Proportional to 11,013.04, 15,190.50 and 7,236.28

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Solution

The fourth proportional to 11,013.04, 15,190.50 and 7,236.28 is: 9,981.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,013.04 : 15,190.50 = 7,236.28 : x
  2. Step 2: Convert to fraction form
    11,013.04/15,190.50 = 7,236.28/x
  3. Step 3: Cross multiply
    11,013.04x = 15,190.50 × 7,236.28
  4. Step 4: Simplify right side
    11,013.04x = 109,922,711.34
  5. Step 5: Solve for x
    x = 109,922,711.34/11,013.04
  6. Step 6: Final answer
    x = 9,981.14

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.