Home / 15,490.13-23,351.91-14,487.89

Finding the Fourth Proportional to 15,490.13, 23,351.91 and 14,487.89

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Solution

The fourth proportional to 15,490.13, 23,351.91 and 14,487.89 is: 21,840.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,490.13 : 23,351.91 = 14,487.89 : x
  2. Step 2: Convert to fraction form
    15,490.13/23,351.91 = 14,487.89/x
  3. Step 3: Cross multiply
    15,490.13x = 23,351.91 × 14,487.89
  4. Step 4: Simplify right side
    15,490.13x = 338,319,830.93
  5. Step 5: Solve for x
    x = 338,319,830.93/15,490.13
  6. Step 6: Final answer
    x = 21,840.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.