Home / 14,613.53-20,166.82-7,899.29

Finding the Fourth Proportional to 14,613.53, 20,166.82 and 7,899.29

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Solution

The fourth proportional to 14,613.53, 20,166.82 and 7,899.29 is: 10,901.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,613.53 : 20,166.82 = 7,899.29 : x
  2. Step 2: Convert to fraction form
    14,613.53/20,166.82 = 7,899.29/x
  3. Step 3: Cross multiply
    14,613.53x = 20,166.82 × 7,899.29
  4. Step 4: Simplify right side
    14,613.53x = 159,303,559.56
  5. Step 5: Solve for x
    x = 159,303,559.56/14,613.53
  6. Step 6: Final answer
    x = 10,901.10

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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.