Home / 10,108.48-13,943.36-6,959.20

Finding the Fourth Proportional to 10,108.48, 13,943.36 and 6,959.20

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Solution

The fourth proportional to 10,108.48, 13,943.36 and 6,959.20 is: 9,599.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,108.48 : 13,943.36 = 6,959.20 : x
  2. Step 2: Convert to fraction form
    10,108.48/13,943.36 = 6,959.20/x
  3. Step 3: Cross multiply
    10,108.48x = 13,943.36 × 6,959.20
  4. Step 4: Simplify right side
    10,108.48x = 97,034,630.91
  5. Step 5: Solve for x
    x = 97,034,630.91/10,108.48
  6. Step 6: Final answer
    x = 9,599.33

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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.