Home / 8,947.49-13,424.07-6,979.86

Finding the Fourth Proportional to 8,947.49, 13,424.07 and 6,979.86

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Solution

The fourth proportional to 8,947.49, 13,424.07 and 6,979.86 is: 10,472.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,947.49 : 13,424.07 = 6,979.86 : x
  2. Step 2: Convert to fraction form
    8,947.49/13,424.07 = 6,979.86/x
  3. Step 3: Cross multiply
    8,947.49x = 13,424.07 × 6,979.86
  4. Step 4: Simplify right side
    8,947.49x = 93,698,129.23
  5. Step 5: Solve for x
    x = 93,698,129.23/8,947.49
  6. Step 6: Final answer
    x = 10,472.00

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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.