Home / 10,159.08-15,239.70-2,763.65

Finding the Fourth Proportional to 10,159.08, 15,239.70 and 2,763.65

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Solution

The fourth proportional to 10,159.08, 15,239.70 and 2,763.65 is: 4,145.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,159.08 : 15,239.70 = 2,763.65 : x
  2. Step 2: Convert to fraction form
    10,159.08/15,239.70 = 2,763.65/x
  3. Step 3: Cross multiply
    10,159.08x = 15,239.70 × 2,763.65
  4. Step 4: Simplify right side
    10,159.08x = 42,117,120.71
  5. Step 5: Solve for x
    x = 42,117,120.71/10,159.08
  6. Step 6: Final answer
    x = 4,145.76

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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.