Home / 10,982.34-15,154.65-6,505.29

Finding the Fourth Proportional to 10,982.34, 15,154.65 and 6,505.29

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Solution

The fourth proportional to 10,982.34, 15,154.65 and 6,505.29 is: 8,976.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,982.34 : 15,154.65 = 6,505.29 : x
  2. Step 2: Convert to fraction form
    10,982.34/15,154.65 = 6,505.29/x
  3. Step 3: Cross multiply
    10,982.34x = 15,154.65 × 6,505.29
  4. Step 4: Simplify right side
    10,982.34x = 98,585,393.10
  5. Step 5: Solve for x
    x = 98,585,393.10/10,982.34
  6. Step 6: Final answer
    x = 8,976.72

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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.