Home / 13,401.74-18,500.75-8,932.94

Finding the Fourth Proportional to 13,401.74, 18,500.75 and 8,932.94

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Solution

The fourth proportional to 13,401.74, 18,500.75 and 8,932.94 is: 12,331.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,401.74 : 18,500.75 = 8,932.94 : x
  2. Step 2: Convert to fraction form
    13,401.74/18,500.75 = 8,932.94/x
  3. Step 3: Cross multiply
    13,401.74x = 18,500.75 × 8,932.94
  4. Step 4: Simplify right side
    13,401.74x = 165,266,089.71
  5. Step 5: Solve for x
    x = 165,266,089.71/13,401.74
  6. Step 6: Final answer
    x = 12,331.69

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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.