Home / 9,939.34-13,718.87-6,160.29

Finding the Fourth Proportional to 9,939.34, 13,718.87 and 6,160.29

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Solution

The fourth proportional to 9,939.34, 13,718.87 and 6,160.29 is: 8,502.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,939.34 : 13,718.87 = 6,160.29 : x
  2. Step 2: Convert to fraction form
    9,939.34/13,718.87 = 6,160.29/x
  3. Step 3: Cross multiply
    9,939.34x = 13,718.87 × 6,160.29
  4. Step 4: Simplify right side
    9,939.34x = 84,512,158.53
  5. Step 5: Solve for x
    x = 84,512,158.53/9,939.34
  6. Step 6: Final answer
    x = 8,502.79

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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.