Home / 15,545.80-23,311.10-5,154.04

Finding the Fourth Proportional to 15,545.80, 23,311.10 and 5,154.04

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Solution

The fourth proportional to 15,545.80, 23,311.10 and 5,154.04 is: 7,728.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,545.80 : 23,311.10 = 5,154.04 : x
  2. Step 2: Convert to fraction form
    15,545.80/23,311.10 = 5,154.04/x
  3. Step 3: Cross multiply
    15,545.80x = 23,311.10 × 5,154.04
  4. Step 4: Simplify right side
    15,545.80x = 120,146,341.84
  5. Step 5: Solve for x
    x = 120,146,341.84/15,545.80
  6. Step 6: Final answer
    x = 7,728.54

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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.