Home / 13,294.20-19,939.70-5,502.20

Finding the Fourth Proportional to 13,294.20, 19,939.70 and 5,502.20

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Solution

The fourth proportional to 13,294.20, 19,939.70 and 5,502.20 is: 8,252.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,294.20 : 19,939.70 = 5,502.20 : x
  2. Step 2: Convert to fraction form
    13,294.20/19,939.70 = 5,502.20/x
  3. Step 3: Cross multiply
    13,294.20x = 19,939.70 × 5,502.20
  4. Step 4: Simplify right side
    13,294.20x = 109,712,217.34
  5. Step 5: Solve for x
    x = 109,712,217.34/13,294.20
  6. Step 6: Final answer
    x = 8,252.64

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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.