Home / 15,200.28-20,967.96-12,370.68

Finding the Fourth Proportional to 15,200.28, 20,967.96 and 12,370.68

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Solution

The fourth proportional to 15,200.28, 20,967.96 and 12,370.68 is: 17,064.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,200.28 : 20,967.96 = 12,370.68 : x
  2. Step 2: Convert to fraction form
    15,200.28/20,967.96 = 12,370.68/x
  3. Step 3: Cross multiply
    15,200.28x = 20,967.96 × 12,370.68
  4. Step 4: Simplify right side
    15,200.28x = 259,387,923.41
  5. Step 5: Solve for x
    x = 259,387,923.41/15,200.28
  6. Step 6: Final answer
    x = 17,064.68

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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.