Home / 10,613.24-14,644.64-6,136.12

Finding the Fourth Proportional to 10,613.24, 14,644.64 and 6,136.12

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Solution

The fourth proportional to 10,613.24, 14,644.64 and 6,136.12 is: 8,466.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,613.24 : 14,644.64 = 6,136.12 : x
  2. Step 2: Convert to fraction form
    10,613.24/14,644.64 = 6,136.12/x
  3. Step 3: Cross multiply
    10,613.24x = 14,644.64 × 6,136.12
  4. Step 4: Simplify right side
    10,613.24x = 89,861,268.40
  5. Step 5: Solve for x
    x = 89,861,268.40/10,613.24
  6. Step 6: Final answer
    x = 8,466.90

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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.