Home / 10,109.07-13,959.11-6,338.55

Finding the Fourth Proportional to 10,109.07, 13,959.11 and 6,338.55

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Solution

The fourth proportional to 10,109.07, 13,959.11 and 6,338.55 is: 8,752.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,109.07 : 13,959.11 = 6,338.55 : x
  2. Step 2: Convert to fraction form
    10,109.07/13,959.11 = 6,338.55/x
  3. Step 3: Cross multiply
    10,109.07x = 13,959.11 × 6,338.55
  4. Step 4: Simplify right side
    10,109.07x = 88,480,485.00
  5. Step 5: Solve for x
    x = 88,480,485.00/10,109.07
  6. Step 6: Final answer
    x = 8,752.58

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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.