Home / 15,523.60-21,443.08-11,498.61

Finding the Fourth Proportional to 15,523.60, 21,443.08 and 11,498.61

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Solution

The fourth proportional to 15,523.60, 21,443.08 and 11,498.61 is: 15,883.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,523.60 : 21,443.08 = 11,498.61 : x
  2. Step 2: Convert to fraction form
    15,523.60/21,443.08 = 11,498.61/x
  3. Step 3: Cross multiply
    15,523.60x = 21,443.08 × 11,498.61
  4. Step 4: Simplify right side
    15,523.60x = 246,565,566.73
  5. Step 5: Solve for x
    x = 246,565,566.73/15,523.60
  6. Step 6: Final answer
    x = 15,883.27

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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.