Home / 18,446.85-25,459.38-10,489.82

Finding the Fourth Proportional to 18,446.85, 25,459.38 and 10,489.82

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Solution

The fourth proportional to 18,446.85, 25,459.38 and 10,489.82 is: 14,477.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,446.85 : 25,459.38 = 10,489.82 : x
  2. Step 2: Convert to fraction form
    18,446.85/25,459.38 = 10,489.82/x
  3. Step 3: Cross multiply
    18,446.85x = 25,459.38 × 10,489.82
  4. Step 4: Simplify right side
    18,446.85x = 267,064,186.21
  5. Step 5: Solve for x
    x = 267,064,186.21/18,446.85
  6. Step 6: Final answer
    x = 14,477.50

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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.