Home / 10,510.48-15,766.83-4,269.56

Finding the Fourth Proportional to 10,510.48, 15,766.83 and 4,269.56

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Solution

The fourth proportional to 10,510.48, 15,766.83 and 4,269.56 is: 6,404.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,510.48 : 15,766.83 = 4,269.56 : x
  2. Step 2: Convert to fraction form
    10,510.48/15,766.83 = 4,269.56/x
  3. Step 3: Cross multiply
    10,510.48x = 15,766.83 × 4,269.56
  4. Step 4: Simplify right side
    10,510.48x = 67,317,347.86
  5. Step 5: Solve for x
    x = 67,317,347.86/10,510.48
  6. Step 6: Final answer
    x = 6,404.78

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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.