Home / 10,427.67-14,379.40-7,244.57

Finding the Fourth Proportional to 10,427.67, 14,379.40 and 7,244.57

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Solution

The fourth proportional to 10,427.67, 14,379.40 and 7,244.57 is: 9,990.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,427.67 : 14,379.40 = 7,244.57 : x
  2. Step 2: Convert to fraction form
    10,427.67/14,379.40 = 7,244.57/x
  3. Step 3: Cross multiply
    10,427.67x = 14,379.40 × 7,244.57
  4. Step 4: Simplify right side
    10,427.67x = 104,172,594.49
  5. Step 5: Solve for x
    x = 104,172,594.49/10,427.67
  6. Step 6: Final answer
    x = 9,990.02

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.