Home / 13,042.95-19,555.78-4,721.88

Finding the Fourth Proportional to 13,042.95, 19,555.78 and 4,721.88

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Solution

The fourth proportional to 13,042.95, 19,555.78 and 4,721.88 is: 7,079.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,042.95 : 19,555.78 = 4,721.88 : x
  2. Step 2: Convert to fraction form
    13,042.95/19,555.78 = 4,721.88/x
  3. Step 3: Cross multiply
    13,042.95x = 19,555.78 × 4,721.88
  4. Step 4: Simplify right side
    13,042.95x = 92,340,046.47
  5. Step 5: Solve for x
    x = 92,340,046.47/13,042.95
  6. Step 6: Final answer
    x = 7,079.69

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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.