Home / 14,672.40-20,248.16-8,297.70

Finding the Fourth Proportional to 14,672.40, 20,248.16 and 8,297.70

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Solution

The fourth proportional to 14,672.40, 20,248.16 and 8,297.70 is: 11,450.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,672.40 : 20,248.16 = 8,297.70 : x
  2. Step 2: Convert to fraction form
    14,672.40/20,248.16 = 8,297.70/x
  3. Step 3: Cross multiply
    14,672.40x = 20,248.16 × 8,297.70
  4. Step 4: Simplify right side
    14,672.40x = 168,013,115.74
  5. Step 5: Solve for x
    x = 168,013,115.74/14,672.40
  6. Step 6: Final answer
    x = 11,450.96

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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.