Home / 13,552.29-18,704.12-7,808.62

Finding the Fourth Proportional to 13,552.29, 18,704.12 and 7,808.62

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Solution

The fourth proportional to 13,552.29, 18,704.12 and 7,808.62 is: 10,777.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,552.29 : 18,704.12 = 7,808.62 : x
  2. Step 2: Convert to fraction form
    13,552.29/18,704.12 = 7,808.62/x
  3. Step 3: Cross multiply
    13,552.29x = 18,704.12 × 7,808.62
  4. Step 4: Simplify right side
    13,552.29x = 146,053,475.18
  5. Step 5: Solve for x
    x = 146,053,475.18/13,552.29
  6. Step 6: Final answer
    x = 10,777.04

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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.