Home / 15,530.70-23,296.05-9,309.90

Finding the Fourth Proportional to 15,530.70, 23,296.05 and 9,309.90

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Solution

The fourth proportional to 15,530.70, 23,296.05 and 9,309.90 is: 13,964.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,530.70 : 23,296.05 = 9,309.90 : x
  2. Step 2: Convert to fraction form
    15,530.70/23,296.05 = 9,309.90/x
  3. Step 3: Cross multiply
    15,530.70x = 23,296.05 × 9,309.90
  4. Step 4: Simplify right side
    15,530.70x = 216,883,895.90
  5. Step 5: Solve for x
    x = 216,883,895.90/15,530.70
  6. Step 6: Final answer
    x = 13,964.85

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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.