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Finding the Fourth Proportional to 13,294.92, 19,947.02 and 8,870.28

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Solution

The fourth proportional to 13,294.92, 19,947.02 and 8,870.28 is: 13,308.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,294.92 : 19,947.02 = 8,870.28 : x
  2. Step 2: Convert to fraction form
    13,294.92/19,947.02 = 8,870.28/x
  3. Step 3: Cross multiply
    13,294.92x = 19,947.02 × 8,870.28
  4. Step 4: Simplify right side
    13,294.92x = 176,935,652.57
  5. Step 5: Solve for x
    x = 176,935,652.57/13,294.92
  6. Step 6: Final answer
    x = 13,308.52

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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.