Home / 10,545.61-15,820.04-3,523.45

Finding the Fourth Proportional to 10,545.61, 15,820.04 and 3,523.45

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Solution

The fourth proportional to 10,545.61, 15,820.04 and 3,523.45 is: 5,285.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,545.61 : 15,820.04 = 3,523.45 : x
  2. Step 2: Convert to fraction form
    10,545.61/15,820.04 = 3,523.45/x
  3. Step 3: Cross multiply
    10,545.61x = 15,820.04 × 3,523.45
  4. Step 4: Simplify right side
    10,545.61x = 55,741,119.94
  5. Step 5: Solve for x
    x = 55,741,119.94/10,545.61
  6. Step 6: Final answer
    x = 5,285.72

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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.