Home / 15,620.88-23,434.02-6,856.68

Finding the Fourth Proportional to 15,620.88, 23,434.02 and 6,856.68

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Solution

The fourth proportional to 15,620.88, 23,434.02 and 6,856.68 is: 10,286.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,620.88 : 23,434.02 = 6,856.68 : x
  2. Step 2: Convert to fraction form
    15,620.88/23,434.02 = 6,856.68/x
  3. Step 3: Cross multiply
    15,620.88x = 23,434.02 × 6,856.68
  4. Step 4: Simplify right side
    15,620.88x = 160,679,576.25
  5. Step 5: Solve for x
    x = 160,679,576.25/15,620.88
  6. Step 6: Final answer
    x = 10,286.21

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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.