Home / 10,293.04-14,191.42-8,402.70

Finding the Fourth Proportional to 10,293.04, 14,191.42 and 8,402.70

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Solution

The fourth proportional to 10,293.04, 14,191.42 and 8,402.70 is: 11,585.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,293.04 : 14,191.42 = 8,402.70 : x
  2. Step 2: Convert to fraction form
    10,293.04/14,191.42 = 8,402.70/x
  3. Step 3: Cross multiply
    10,293.04x = 14,191.42 × 8,402.70
  4. Step 4: Simplify right side
    10,293.04x = 119,246,244.83
  5. Step 5: Solve for x
    x = 119,246,244.83/10,293.04
  6. Step 6: Final answer
    x = 11,585.13

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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.