Home / 10,561.55-15,835.14-4,319.73

Finding the Fourth Proportional to 10,561.55, 15,835.14 and 4,319.73

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Solution

The fourth proportional to 10,561.55, 15,835.14 and 4,319.73 is: 6,476.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,561.55 : 15,835.14 = 4,319.73 : x
  2. Step 2: Convert to fraction form
    10,561.55/15,835.14 = 4,319.73/x
  3. Step 3: Cross multiply
    10,561.55x = 15,835.14 × 4,319.73
  4. Step 4: Simplify right side
    10,561.55x = 68,403,529.31
  5. Step 5: Solve for x
    x = 68,403,529.31/10,561.55
  6. Step 6: Final answer
    x = 6,476.66

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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.