Home / 15,569.19-23,360.58-8,171.82

Finding the Fourth Proportional to 15,569.19, 23,360.58 and 8,171.82

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Solution

The fourth proportional to 15,569.19, 23,360.58 and 8,171.82 is: 12,261.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,569.19 : 23,360.58 = 8,171.82 : x
  2. Step 2: Convert to fraction form
    15,569.19/23,360.58 = 8,171.82/x
  3. Step 3: Cross multiply
    15,569.19x = 23,360.58 × 8,171.82
  4. Step 4: Simplify right side
    15,569.19x = 190,898,454.86
  5. Step 5: Solve for x
    x = 190,898,454.86/15,569.19
  6. Step 6: Final answer
    x = 12,261.30

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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.