Home / 14,747.57-20,366.13-12,610.79

Finding the Fourth Proportional to 14,747.57, 20,366.13 and 12,610.79

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Solution

The fourth proportional to 14,747.57, 20,366.13 and 12,610.79 is: 17,415.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,747.57 : 20,366.13 = 12,610.79 : x
  2. Step 2: Convert to fraction form
    14,747.57/20,366.13 = 12,610.79/x
  3. Step 3: Cross multiply
    14,747.57x = 20,366.13 × 12,610.79
  4. Step 4: Simplify right side
    14,747.57x = 256,832,988.54
  5. Step 5: Solve for x
    x = 256,832,988.54/14,747.57
  6. Step 6: Final answer
    x = 17,415.28

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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.