Home / 23,148.39-31,944.20-13,077.89

Finding the Fourth Proportional to 23,148.39, 31,944.20 and 13,077.89

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Solution

The fourth proportional to 23,148.39, 31,944.20 and 13,077.89 is: 18,047.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,148.39 : 31,944.20 = 13,077.89 : x
  2. Step 2: Convert to fraction form
    23,148.39/31,944.20 = 13,077.89/x
  3. Step 3: Cross multiply
    23,148.39x = 31,944.20 × 13,077.89
  4. Step 4: Simplify right side
    23,148.39x = 417,762,508.63
  5. Step 5: Solve for x
    x = 417,762,508.63/23,148.39
  6. Step 6: Final answer
    x = 18,047.15

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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.