Home / 12,573.30-18,856.85-4,253.13

Finding the Fourth Proportional to 12,573.30, 18,856.85 and 4,253.13

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Solution

The fourth proportional to 12,573.30, 18,856.85 and 4,253.13 is: 6,378.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,573.30 : 18,856.85 = 4,253.13 : x
  2. Step 2: Convert to fraction form
    12,573.30/18,856.85 = 4,253.13/x
  3. Step 3: Cross multiply
    12,573.30x = 18,856.85 × 4,253.13
  4. Step 4: Simplify right side
    12,573.30x = 80,200,613.17
  5. Step 5: Solve for x
    x = 80,200,613.17/12,573.30
  6. Step 6: Final answer
    x = 6,378.64

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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.