Home / 10,278.03-15,415.83-4,042.65

Finding the Fourth Proportional to 10,278.03, 15,415.83 and 4,042.65

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Solution

The fourth proportional to 10,278.03, 15,415.83 and 4,042.65 is: 6,063.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,278.03 : 15,415.83 = 4,042.65 : x
  2. Step 2: Convert to fraction form
    10,278.03/15,415.83 = 4,042.65/x
  3. Step 3: Cross multiply
    10,278.03x = 15,415.83 × 4,042.65
  4. Step 4: Simplify right side
    10,278.03x = 62,320,805.15
  5. Step 5: Solve for x
    x = 62,320,805.15/10,278.03
  6. Step 6: Final answer
    x = 6,063.50

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1.5x scale

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.