Home / 10,965.10-15,128.14-6,246.04

Finding the Fourth Proportional to 10,965.10, 15,128.14 and 6,246.04

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Solution

The fourth proportional to 10,965.10, 15,128.14 and 6,246.04 is: 8,617.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,965.10 : 15,128.14 = 6,246.04 : x
  2. Step 2: Convert to fraction form
    10,965.10/15,128.14 = 6,246.04/x
  3. Step 3: Cross multiply
    10,965.10x = 15,128.14 × 6,246.04
  4. Step 4: Simplify right side
    10,965.10x = 94,490,967.57
  5. Step 5: Solve for x
    x = 94,490,967.57/10,965.10
  6. Step 6: Final answer
    x = 8,617.43

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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.