Home / 10,544.61-15,817.80-4,305.05

Finding the Fourth Proportional to 10,544.61, 15,817.80 and 4,305.05

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Solution

The fourth proportional to 10,544.61, 15,817.80 and 4,305.05 is: 6,457.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,544.61 : 15,817.80 = 4,305.05 : x
  2. Step 2: Convert to fraction form
    10,544.61/15,817.80 = 4,305.05/x
  3. Step 3: Cross multiply
    10,544.61x = 15,817.80 × 4,305.05
  4. Step 4: Simplify right side
    10,544.61x = 68,096,340.80
  5. Step 5: Solve for x
    x = 68,096,340.80/10,544.61
  6. Step 6: Final answer
    x = 6,457.93

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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.