Home / 10,353.93-15,520.77-4,111.87

Finding the Fourth Proportional to 10,353.93, 15,520.77 and 4,111.87

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Solution

The fourth proportional to 10,353.93, 15,520.77 and 4,111.87 is: 6,163.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,353.93 : 15,520.77 = 4,111.87 : x
  2. Step 2: Convert to fraction form
    10,353.93/15,520.77 = 4,111.87/x
  3. Step 3: Cross multiply
    10,353.93x = 15,520.77 × 4,111.87
  4. Step 4: Simplify right side
    10,353.93x = 63,819,349.74
  5. Step 5: Solve for x
    x = 63,819,349.74/10,353.93
  6. Step 6: Final answer
    x = 6,163.78

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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.