Home / 20,723.17-31,047.59-12,593.93

Finding the Fourth Proportional to 20,723.17, 31,047.59 and 12,593.93

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Solution

The fourth proportional to 20,723.17, 31,047.59 and 12,593.93 is: 18,868.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,723.17 : 31,047.59 = 12,593.93 : x
  2. Step 2: Convert to fraction form
    20,723.17/31,047.59 = 12,593.93/x
  3. Step 3: Cross multiply
    20,723.17x = 31,047.59 × 12,593.93
  4. Step 4: Simplify right side
    20,723.17x = 391,011,175.13
  5. Step 5: Solve for x
    x = 391,011,175.13/20,723.17
  6. Step 6: Final answer
    x = 18,868.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.