Home / 9,971.92-14,955.96-3,397.20

Finding the Fourth Proportional to 9,971.92, 14,955.96 and 3,397.20

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Solution

The fourth proportional to 9,971.92, 14,955.96 and 3,397.20 is: 5,095.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,971.92 : 14,955.96 = 3,397.20 : x
  2. Step 2: Convert to fraction form
    9,971.92/14,955.96 = 3,397.20/x
  3. Step 3: Cross multiply
    9,971.92x = 14,955.96 × 3,397.20
  4. Step 4: Simplify right side
    9,971.92x = 50,808,387.31
  5. Step 5: Solve for x
    x = 50,808,387.31/9,971.92
  6. Step 6: Final answer
    x = 5,095.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.