Home / 12,432.60-18,648.91-4,642.02

Finding the Fourth Proportional to 12,432.60, 18,648.91 and 4,642.02

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Solution

The fourth proportional to 12,432.60, 18,648.91 and 4,642.02 is: 6,963.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,432.60 : 18,648.91 = 4,642.02 : x
  2. Step 2: Convert to fraction form
    12,432.60/18,648.91 = 4,642.02/x
  3. Step 3: Cross multiply
    12,432.60x = 18,648.91 × 4,642.02
  4. Step 4: Simplify right side
    12,432.60x = 86,568,636.61
  5. Step 5: Solve for x
    x = 86,568,636.61/12,432.60
  6. Step 6: Final answer
    x = 6,963.03

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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.