Home / 10,112.48-13,948.88-6,963.20

Finding the Fourth Proportional to 10,112.48, 13,948.88 and 6,963.20

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Solution

The fourth proportional to 10,112.48, 13,948.88 and 6,963.20 is: 9,604.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,112.48 : 13,948.88 = 6,963.20 : x
  2. Step 2: Convert to fraction form
    10,112.48/13,948.88 = 6,963.20/x
  3. Step 3: Cross multiply
    10,112.48x = 13,948.88 × 6,963.20
  4. Step 4: Simplify right side
    10,112.48x = 97,128,841.22
  5. Step 5: Solve for x
    x = 97,128,841.22/10,112.48
  6. Step 6: Final answer
    x = 9,604.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.