Home / 14,942.00-20,613.04-9,638.53

Finding the Fourth Proportional to 14,942.00, 20,613.04 and 9,638.53

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Solution

The fourth proportional to 14,942.00, 20,613.04 and 9,638.53 is: 13,296.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,942.00 : 20,613.04 = 9,638.53 : x
  2. Step 2: Convert to fraction form
    14,942.00/20,613.04 = 9,638.53/x
  3. Step 3: Cross multiply
    14,942.00x = 20,613.04 × 9,638.53
  4. Step 4: Simplify right side
    14,942.00x = 198,679,328.80
  5. Step 5: Solve for x
    x = 198,679,328.80/14,942.00
  6. Step 6: Final answer
    x = 13,296.70

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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.