Home / 14,657.13-20,226.78-8,369.51

Finding the Fourth Proportional to 14,657.13, 20,226.78 and 8,369.51

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Solution

The fourth proportional to 14,657.13, 20,226.78 and 8,369.51 is: 11,549.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,657.13 : 20,226.78 = 8,369.51 : x
  2. Step 2: Convert to fraction form
    14,657.13/20,226.78 = 8,369.51/x
  3. Step 3: Cross multiply
    14,657.13x = 20,226.78 × 8,369.51
  4. Step 4: Simplify right side
    14,657.13x = 169,288,136.34
  5. Step 5: Solve for x
    x = 169,288,136.34/14,657.13
  6. Step 6: Final answer
    x = 11,549.88

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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.