Home / 10,143.77-15,223.82-4,304.48

Finding the Fourth Proportional to 10,143.77, 15,223.82 and 4,304.48

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Solution

The fourth proportional to 10,143.77, 15,223.82 and 4,304.48 is: 6,460.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,143.77 : 15,223.82 = 4,304.48 : x
  2. Step 2: Convert to fraction form
    10,143.77/15,223.82 = 4,304.48/x
  3. Step 3: Cross multiply
    10,143.77x = 15,223.82 × 4,304.48
  4. Step 4: Simplify right side
    10,143.77x = 65,530,531.07
  5. Step 5: Solve for x
    x = 65,530,531.07/10,143.77
  6. Step 6: Final answer
    x = 6,460.18

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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.