Home / 15,419.43-23,143.66-14,576.76

Finding the Fourth Proportional to 15,419.43, 23,143.66 and 14,576.76

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Solution

The fourth proportional to 15,419.43, 23,143.66 and 14,576.76 is: 21,878.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,419.43 : 23,143.66 = 14,576.76 : x
  2. Step 2: Convert to fraction form
    15,419.43/23,143.66 = 14,576.76/x
  3. Step 3: Cross multiply
    15,419.43x = 23,143.66 × 14,576.76
  4. Step 4: Simplify right side
    15,419.43x = 337,359,577.34
  5. Step 5: Solve for x
    x = 337,359,577.34/15,419.43
  6. Step 6: Final answer
    x = 21,878.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.