Home / 14,789.40-22,140.90-13,234.20

Finding the Fourth Proportional to 14,789.40, 22,140.90 and 13,234.20

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Solution

The fourth proportional to 14,789.40, 22,140.90 and 13,234.20 is: 19,812.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,789.40 : 22,140.90 = 13,234.20 : x
  2. Step 2: Convert to fraction form
    14,789.40/22,140.90 = 13,234.20/x
  3. Step 3: Cross multiply
    14,789.40x = 22,140.90 × 13,234.20
  4. Step 4: Simplify right side
    14,789.40x = 293,017,098.78
  5. Step 5: Solve for x
    x = 293,017,098.78/14,789.40
  6. Step 6: Final answer
    x = 19,812.64

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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.