Home / 11,472.87-15,833.31-6,437.40

Finding the Fourth Proportional to 11,472.87, 15,833.31 and 6,437.40

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Solution

The fourth proportional to 11,472.87, 15,833.31 and 6,437.40 is: 8,884.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,472.87 : 15,833.31 = 6,437.40 : x
  2. Step 2: Convert to fraction form
    11,472.87/15,833.31 = 6,437.40/x
  3. Step 3: Cross multiply
    11,472.87x = 15,833.31 × 6,437.40
  4. Step 4: Simplify right side
    11,472.87x = 101,925,349.79
  5. Step 5: Solve for x
    x = 101,925,349.79/11,472.87
  6. Step 6: Final answer
    x = 8,884.03

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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.