Home / 15,521.06-23,286.45-9,980.66

Finding the Fourth Proportional to 15,521.06, 23,286.45 and 9,980.66

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Solution

The fourth proportional to 15,521.06, 23,286.45 and 9,980.66 is: 14,974.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,521.06 : 23,286.45 = 9,980.66 : x
  2. Step 2: Convert to fraction form
    15,521.06/23,286.45 = 9,980.66/x
  3. Step 3: Cross multiply
    15,521.06x = 23,286.45 × 9,980.66
  4. Step 4: Simplify right side
    15,521.06x = 232,413,973.72
  5. Step 5: Solve for x
    x = 232,413,973.72/15,521.06
  6. Step 6: Final answer
    x = 14,974.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.