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Finding the Fourth Proportional to 22,947.98, 34,421.97 and 7,376.54

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Solution

The fourth proportional to 22,947.98, 34,421.97 and 7,376.54 is: 11,064.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,947.98 : 34,421.97 = 7,376.54 : x
  2. Step 2: Convert to fraction form
    22,947.98/34,421.97 = 7,376.54/x
  3. Step 3: Cross multiply
    22,947.98x = 34,421.97 × 7,376.54
  4. Step 4: Simplify right side
    22,947.98x = 253,915,038.58
  5. Step 5: Solve for x
    x = 253,915,038.58/22,947.98
  6. Step 6: Final answer
    x = 11,064.81

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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.