Home / 21,461.24-29,607.50-12,613.88

Finding the Fourth Proportional to 21,461.24, 29,607.50 and 12,613.88

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Solution

The fourth proportional to 21,461.24, 29,607.50 and 12,613.88 is: 17,401.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,461.24 : 29,607.50 = 12,613.88 : x
  2. Step 2: Convert to fraction form
    21,461.24/29,607.50 = 12,613.88/x
  3. Step 3: Cross multiply
    21,461.24x = 29,607.50 × 12,613.88
  4. Step 4: Simplify right side
    21,461.24x = 373,465,452.10
  5. Step 5: Solve for x
    x = 373,465,452.10/21,461.24
  6. Step 6: Final answer
    x = 17,401.86

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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.