Home / 9,938.52-13,712.40-6,165

Finding the Fourth Proportional to 9,938.52, 13,712.40 and 6,165

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Solution

The fourth proportional to 9,938.52, 13,712.40 and 6,165 is: 8,505.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,938.52 : 13,712.40 = 6,165 : x
  2. Step 2: Convert to fraction form
    9,938.52/13,712.40 = 6,165/x
  3. Step 3: Cross multiply
    9,938.52x = 13,712.40 × 6,165
  4. Step 4: Simplify right side
    9,938.52x = 84,536,946
  5. Step 5: Solve for x
    x = 84,536,946/9,938.52
  6. Step 6: Final answer
    x = 8,505.99

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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.