Home / 11,445.88-15,787.14-10,504.71

Finding the Fourth Proportional to 11,445.88, 15,787.14 and 10,504.71

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Solution

The fourth proportional to 11,445.88, 15,787.14 and 10,504.71 is: 14,489.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,445.88 : 15,787.14 = 10,504.71 : x
  2. Step 2: Convert to fraction form
    11,445.88/15,787.14 = 10,504.71/x
  3. Step 3: Cross multiply
    11,445.88x = 15,787.14 × 10,504.71
  4. Step 4: Simplify right side
    11,445.88x = 165,839,327.43
  5. Step 5: Solve for x
    x = 165,839,327.43/11,445.88
  6. Step 6: Final answer
    x = 14,489.00

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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.