Home / 10,787.52-14,842.26-8,425.56

Finding the Fourth Proportional to 10,787.52, 14,842.26 and 8,425.56

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Solution

The fourth proportional to 10,787.52, 14,842.26 and 8,425.56 is: 11,592.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,787.52 : 14,842.26 = 8,425.56 : x
  2. Step 2: Convert to fraction form
    10,787.52/14,842.26 = 8,425.56/x
  3. Step 3: Cross multiply
    10,787.52x = 14,842.26 × 8,425.56
  4. Step 4: Simplify right side
    10,787.52x = 125,054,352.17
  5. Step 5: Solve for x
    x = 125,054,352.17/10,787.52
  6. Step 6: Final answer
    x = 11,592.50

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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.