Home / 19,260.64-28,867.68-12,600.48

Finding the Fourth Proportional to 19,260.64, 28,867.68 and 12,600.48

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Solution

The fourth proportional to 19,260.64, 28,867.68 and 12,600.48 is: 18,885.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,260.64 : 28,867.68 = 12,600.48 : x
  2. Step 2: Convert to fraction form
    19,260.64/28,867.68 = 12,600.48/x
  3. Step 3: Cross multiply
    19,260.64x = 28,867.68 × 12,600.48
  4. Step 4: Simplify right side
    19,260.64x = 363,746,624.49
  5. Step 5: Solve for x
    x = 363,746,624.49/19,260.64
  6. Step 6: Final answer
    x = 18,885.49

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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.