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Finding the Fourth Proportional to 14,463.34, 19,959.42 and 8,797.57

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Solution

The fourth proportional to 14,463.34, 19,959.42 and 8,797.57 is: 12,140.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,463.34 : 19,959.42 = 8,797.57 : x
  2. Step 2: Convert to fraction form
    14,463.34/19,959.42 = 8,797.57/x
  3. Step 3: Cross multiply
    14,463.34x = 19,959.42 × 8,797.57
  4. Step 4: Simplify right side
    14,463.34x = 175,594,394.61
  5. Step 5: Solve for x
    x = 175,594,394.61/14,463.34
  6. Step 6: Final answer
    x = 12,140.65

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1.5x scale

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.