Home / 15,712.86-23,572.76-5,186.13

Finding the Fourth Proportional to 15,712.86, 23,572.76 and 5,186.13

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Solution

The fourth proportional to 15,712.86, 23,572.76 and 5,186.13 is: 7,780.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,712.86 : 23,572.76 = 5,186.13 : x
  2. Step 2: Convert to fraction form
    15,712.86/23,572.76 = 5,186.13/x
  3. Step 3: Cross multiply
    15,712.86x = 23,572.76 × 5,186.13
  4. Step 4: Simplify right side
    15,712.86x = 122,251,397.82
  5. Step 5: Solve for x
    x = 122,251,397.82/15,712.86
  6. Step 6: Final answer
    x = 7,780.34

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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.