Home / 8,387.49-12,569.41-6,624.73

Finding the Fourth Proportional to 8,387.49, 12,569.41 and 6,624.73

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Solution

The fourth proportional to 8,387.49, 12,569.41 and 6,624.73 is: 9,927.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,387.49 : 12,569.41 = 6,624.73 : x
  2. Step 2: Convert to fraction form
    8,387.49/12,569.41 = 6,624.73/x
  3. Step 3: Cross multiply
    8,387.49x = 12,569.41 × 6,624.73
  4. Step 4: Simplify right side
    8,387.49x = 83,268,947.51
  5. Step 5: Solve for x
    x = 83,268,947.51/8,387.49
  6. Step 6: Final answer
    x = 9,927.76

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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.