Home / 10,373.40-15,562.80-5,441.72

Finding the Fourth Proportional to 10,373.40, 15,562.80 and 5,441.72

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Solution

The fourth proportional to 10,373.40, 15,562.80 and 5,441.72 is: 8,163.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,373.40 : 15,562.80 = 5,441.72 : x
  2. Step 2: Convert to fraction form
    10,373.40/15,562.80 = 5,441.72/x
  3. Step 3: Cross multiply
    10,373.40x = 15,562.80 × 5,441.72
  4. Step 4: Simplify right side
    10,373.40x = 84,688,322.20
  5. Step 5: Solve for x
    x = 84,688,322.20/10,373.40
  6. Step 6: Final answer
    x = 8,163.99

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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.