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Finding the Fourth Proportional to 14,885.76, 22,325.04 and 6,123.12

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Solution

The fourth proportional to 14,885.76, 22,325.04 and 6,123.12 is: 9,183.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,885.76 : 22,325.04 = 6,123.12 : x
  2. Step 2: Convert to fraction form
    14,885.76/22,325.04 = 6,123.12/x
  3. Step 3: Cross multiply
    14,885.76x = 22,325.04 × 6,123.12
  4. Step 4: Simplify right side
    14,885.76x = 136,698,898.92
  5. Step 5: Solve for x
    x = 136,698,898.92/14,885.76
  6. Step 6: Final answer
    x = 9,183.20

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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.