Home / 14,549.28-20,078.02-8,261.65

Finding the Fourth Proportional to 14,549.28, 20,078.02 and 8,261.65

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Solution

The fourth proportional to 14,549.28, 20,078.02 and 8,261.65 is: 11,401.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,549.28 : 20,078.02 = 8,261.65 : x
  2. Step 2: Convert to fraction form
    14,549.28/20,078.02 = 8,261.65/x
  3. Step 3: Cross multiply
    14,549.28x = 20,078.02 × 8,261.65
  4. Step 4: Simplify right side
    14,549.28x = 165,877,609.36
  5. Step 5: Solve for x
    x = 165,877,609.36/14,549.28
  6. Step 6: Final answer
    x = 11,401.09

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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.