Home / 16,660.24-22,988.24-10,290.40

Finding the Fourth Proportional to 16,660.24, 22,988.24 and 10,290.40

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Solution

The fourth proportional to 16,660.24, 22,988.24 and 10,290.40 is: 14,198.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,660.24 : 22,988.24 = 10,290.40 : x
  2. Step 2: Convert to fraction form
    16,660.24/22,988.24 = 10,290.40/x
  3. Step 3: Cross multiply
    16,660.24x = 22,988.24 × 10,290.40
  4. Step 4: Simplify right side
    16,660.24x = 236,558,184.90
  5. Step 5: Solve for x
    x = 236,558,184.90/16,660.24
  6. Step 6: Final answer
    x = 14,198.97

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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.