Home / 10,959.68-15,125.28-6,710.72

Finding the Fourth Proportional to 10,959.68, 15,125.28 and 6,710.72

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Solution

The fourth proportional to 10,959.68, 15,125.28 and 6,710.72 is: 9,261.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,959.68 : 15,125.28 = 6,710.72 : x
  2. Step 2: Convert to fraction form
    10,959.68/15,125.28 = 6,710.72/x
  3. Step 3: Cross multiply
    10,959.68x = 15,125.28 × 6,710.72
  4. Step 4: Simplify right side
    10,959.68x = 101,501,519.00
  5. Step 5: Solve for x
    x = 101,501,519.00/10,959.68
  6. Step 6: Final answer
    x = 9,261.36

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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.