Home / 17,787.25-24,557.82-11,416.57

Finding the Fourth Proportional to 17,787.25, 24,557.82 and 11,416.57

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Solution

The fourth proportional to 17,787.25, 24,557.82 and 11,416.57 is: 15,762.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,787.25 : 24,557.82 = 11,416.57 : x
  2. Step 2: Convert to fraction form
    17,787.25/24,557.82 = 11,416.57/x
  3. Step 3: Cross multiply
    17,787.25x = 24,557.82 × 11,416.57
  4. Step 4: Simplify right side
    17,787.25x = 280,366,071.08
  5. Step 5: Solve for x
    x = 280,366,071.08/17,787.25
  6. Step 6: Final answer
    x = 15,762.19

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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.