Home / 10,159.58-15,240.45-2,764.16

Finding the Fourth Proportional to 10,159.58, 15,240.45 and 2,764.16

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Solution

The fourth proportional to 10,159.58, 15,240.45 and 2,764.16 is: 4,146.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,159.58 : 15,240.45 = 2,764.16 : x
  2. Step 2: Convert to fraction form
    10,159.58/15,240.45 = 2,764.16/x
  3. Step 3: Cross multiply
    10,159.58x = 15,240.45 × 2,764.16
  4. Step 4: Simplify right side
    10,159.58x = 42,127,042.27
  5. Step 5: Solve for x
    x = 42,127,042.27/10,159.58
  6. Step 6: Final answer
    x = 4,146.53

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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.