Home / 19,613.20-27,066.49-10,660.70

Finding the Fourth Proportional to 19,613.20, 27,066.49 and 10,660.70

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Solution

The fourth proportional to 19,613.20, 27,066.49 and 10,660.70 is: 14,711.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,613.20 : 27,066.49 = 10,660.70 : x
  2. Step 2: Convert to fraction form
    19,613.20/27,066.49 = 10,660.70/x
  3. Step 3: Cross multiply
    19,613.20x = 27,066.49 × 10,660.70
  4. Step 4: Simplify right side
    19,613.20x = 288,547,729.94
  5. Step 5: Solve for x
    x = 288,547,729.94/19,613.20
  6. Step 6: Final answer
    x = 14,711.91

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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.