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Finding the Fourth Proportional to 14,916.76, 22,358.72 and 6,146.88

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Solution

The fourth proportional to 14,916.76, 22,358.72 and 6,146.88 is: 9,213.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,916.76 : 22,358.72 = 6,146.88 : x
  2. Step 2: Convert to fraction form
    14,916.76/22,358.72 = 6,146.88/x
  3. Step 3: Cross multiply
    14,916.76x = 22,358.72 × 6,146.88
  4. Step 4: Simplify right side
    14,916.76x = 137,436,368.79
  5. Step 5: Solve for x
    x = 137,436,368.79/14,916.76
  6. Step 6: Final answer
    x = 9,213.55

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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.