Home / 11,120.27-15,328.19-7,534.13

Finding the Fourth Proportional to 11,120.27, 15,328.19 and 7,534.13

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Solution

The fourth proportional to 11,120.27, 15,328.19 and 7,534.13 is: 10,385.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,120.27 : 15,328.19 = 7,534.13 : x
  2. Step 2: Convert to fraction form
    11,120.27/15,328.19 = 7,534.13/x
  3. Step 3: Cross multiply
    11,120.27x = 15,328.19 × 7,534.13
  4. Step 4: Simplify right side
    11,120.27x = 115,484,538.45
  5. Step 5: Solve for x
    x = 115,484,538.45/11,120.27
  6. Step 6: Final answer
    x = 10,385.05

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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.