Home / 23,126.52-31,911.18-13,562.79

Finding the Fourth Proportional to 23,126.52, 31,911.18 and 13,562.79

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Solution

The fourth proportional to 23,126.52, 31,911.18 and 13,562.79 is: 18,714.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,126.52 : 31,911.18 = 13,562.79 : x
  2. Step 2: Convert to fraction form
    23,126.52/31,911.18 = 13,562.79/x
  3. Step 3: Cross multiply
    23,126.52x = 31,911.18 × 13,562.79
  4. Step 4: Simplify right side
    23,126.52x = 432,804,632.99
  5. Step 5: Solve for x
    x = 432,804,632.99/23,126.52
  6. Step 6: Final answer
    x = 18,714.65

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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.