Home / 13,508.29-20,261.22-9,576.40

Finding the Fourth Proportional to 13,508.29, 20,261.22 and 9,576.40

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Solution

The fourth proportional to 13,508.29, 20,261.22 and 9,576.40 is: 14,363.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,508.29 : 20,261.22 = 9,576.40 : x
  2. Step 2: Convert to fraction form
    13,508.29/20,261.22 = 9,576.40/x
  3. Step 3: Cross multiply
    13,508.29x = 20,261.22 × 9,576.40
  4. Step 4: Simplify right side
    13,508.29x = 194,029,483.61
  5. Step 5: Solve for x
    x = 194,029,483.61/13,508.29
  6. Step 6: Final answer
    x = 14,363.73

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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.