Home / 9,959.08-13,741.64-5,978.76

Finding the Fourth Proportional to 9,959.08, 13,741.64 and 5,978.76

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Solution

The fourth proportional to 9,959.08, 13,741.64 and 5,978.76 is: 8,249.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,959.08 : 13,741.64 = 5,978.76 : x
  2. Step 2: Convert to fraction form
    9,959.08/13,741.64 = 5,978.76/x
  3. Step 3: Cross multiply
    9,959.08x = 13,741.64 × 5,978.76
  4. Step 4: Simplify right side
    9,959.08x = 82,157,967.57
  5. Step 5: Solve for x
    x = 82,157,967.57/9,959.08
  6. Step 6: Final answer
    x = 8,249.55

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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.