Home / 15,071.52-22,609.89-5,075.31

Finding the Fourth Proportional to 15,071.52, 22,609.89 and 5,075.31

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Solution

The fourth proportional to 15,071.52, 22,609.89 and 5,075.31 is: 7,613.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,071.52 : 22,609.89 = 5,075.31 : x
  2. Step 2: Convert to fraction form
    15,071.52/22,609.89 = 5,075.31/x
  3. Step 3: Cross multiply
    15,071.52x = 22,609.89 × 5,075.31
  4. Step 4: Simplify right side
    15,071.52x = 114,752,200.82
  5. Step 5: Solve for x
    x = 114,752,200.82/15,071.52
  6. Step 6: Final answer
    x = 7,613.84

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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.