Home / 13,160.04-18,152.36-7,850.76

Finding the Fourth Proportional to 13,160.04, 18,152.36 and 7,850.76

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Solution

The fourth proportional to 13,160.04, 18,152.36 and 7,850.76 is: 10,828.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,160.04 : 18,152.36 = 7,850.76 : x
  2. Step 2: Convert to fraction form
    13,160.04/18,152.36 = 7,850.76/x
  3. Step 3: Cross multiply
    13,160.04x = 18,152.36 × 7,850.76
  4. Step 4: Simplify right side
    13,160.04x = 142,509,821.79
  5. Step 5: Solve for x
    x = 142,509,821.79/13,160.04
  6. Step 6: Final answer
    x = 10,828.98

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Half scale
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Double scale
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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.