Home / 12,511.26-18,754.74-6,959.52

Finding the Fourth Proportional to 12,511.26, 18,754.74 and 6,959.52

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Solution

The fourth proportional to 12,511.26, 18,754.74 and 6,959.52 is: 10,432.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,511.26 : 18,754.74 = 6,959.52 : x
  2. Step 2: Convert to fraction form
    12,511.26/18,754.74 = 6,959.52/x
  3. Step 3: Cross multiply
    12,511.26x = 18,754.74 × 6,959.52
  4. Step 4: Simplify right side
    12,511.26x = 130,523,988.12
  5. Step 5: Solve for x
    x = 130,523,988.12/12,511.26
  6. Step 6: Final answer
    x = 10,432.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.