Home / 10,348.67-15,530.80-7,582.43

Finding the Fourth Proportional to 10,348.67, 15,530.80 and 7,582.43

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Solution

The fourth proportional to 10,348.67, 15,530.80 and 7,582.43 is: 11,379.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,348.67 : 15,530.80 = 7,582.43 : x
  2. Step 2: Convert to fraction form
    10,348.67/15,530.80 = 7,582.43/x
  3. Step 3: Cross multiply
    10,348.67x = 15,530.80 × 7,582.43
  4. Step 4: Simplify right side
    10,348.67x = 117,761,203.84
  5. Step 5: Solve for x
    x = 117,761,203.84/10,348.67
  6. Step 6: Final answer
    x = 11,379.36

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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.