Home / 10,471.82-15,709.55-5,545.60

Finding the Fourth Proportional to 10,471.82, 15,709.55 and 5,545.60

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Solution

The fourth proportional to 10,471.82, 15,709.55 and 5,545.60 is: 8,319.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,471.82 : 15,709.55 = 5,545.60 : x
  2. Step 2: Convert to fraction form
    10,471.82/15,709.55 = 5,545.60/x
  3. Step 3: Cross multiply
    10,471.82x = 15,709.55 × 5,545.60
  4. Step 4: Simplify right side
    10,471.82x = 87,118,813.48
  5. Step 5: Solve for x
    x = 87,118,813.48/10,471.82
  6. Step 6: Final answer
    x = 8,319.36

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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.