Home / 10,112.40-13,952.16-6,077.52

Finding the Fourth Proportional to 10,112.40, 13,952.16 and 6,077.52

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Solution

The fourth proportional to 10,112.40, 13,952.16 and 6,077.52 is: 8,385.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,112.40 : 13,952.16 = 6,077.52 : x
  2. Step 2: Convert to fraction form
    10,112.40/13,952.16 = 6,077.52/x
  3. Step 3: Cross multiply
    10,112.40x = 13,952.16 × 6,077.52
  4. Step 4: Simplify right side
    10,112.40x = 84,794,531.44
  5. Step 5: Solve for x
    x = 84,794,531.44/10,112.40
  6. Step 6: Final answer
    x = 8,385.20

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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.