Home / 15,521.91-23,170.18-14,365.47

Finding the Fourth Proportional to 15,521.91, 23,170.18 and 14,365.47

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Solution

The fourth proportional to 15,521.91, 23,170.18 and 14,365.47 is: 21,443.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,521.91 : 23,170.18 = 14,365.47 : x
  2. Step 2: Convert to fraction form
    15,521.91/23,170.18 = 14,365.47/x
  3. Step 3: Cross multiply
    15,521.91x = 23,170.18 × 14,365.47
  4. Step 4: Simplify right side
    15,521.91x = 332,850,489.77
  5. Step 5: Solve for x
    x = 332,850,489.77/15,521.91
  6. Step 6: Final answer
    x = 21,443.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.