Home / 10,787.52-16,185.60-5,237.76

Finding the Fourth Proportional to 10,787.52, 16,185.60 and 5,237.76

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Solution

The fourth proportional to 10,787.52, 16,185.60 and 5,237.76 is: 7,858.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,787.52 : 16,185.60 = 5,237.76 : x
  2. Step 2: Convert to fraction form
    10,787.52/16,185.60 = 5,237.76/x
  3. Step 3: Cross multiply
    10,787.52x = 16,185.60 × 5,237.76
  4. Step 4: Simplify right side
    10,787.52x = 84,776,288.26
  5. Step 5: Solve for x
    x = 84,776,288.26/10,787.52
  6. Step 6: Final answer
    x = 7,858.74

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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.