Home / 19,613.45-27,065.43-10,660.88

Finding the Fourth Proportional to 19,613.45, 27,065.43 and 10,660.88

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Solution

The fourth proportional to 19,613.45, 27,065.43 and 10,660.88 is: 14,711.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,613.45 : 27,065.43 = 10,660.88 : x
  2. Step 2: Convert to fraction form
    19,613.45/27,065.43 = 10,660.88/x
  3. Step 3: Cross multiply
    19,613.45x = 27,065.43 × 10,660.88
  4. Step 4: Simplify right side
    19,613.45x = 288,541,166.05
  5. Step 5: Solve for x
    x = 288,541,166.05/19,613.45
  6. Step 6: Final answer
    x = 14,711.40

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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.