Home / 10,788.57-16,155.27-8,600.49

Finding the Fourth Proportional to 10,788.57, 16,155.27 and 8,600.49

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Solution

The fourth proportional to 10,788.57, 16,155.27 and 8,600.49 is: 12,878.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,788.57 : 16,155.27 = 8,600.49 : x
  2. Step 2: Convert to fraction form
    10,788.57/16,155.27 = 8,600.49/x
  3. Step 3: Cross multiply
    10,788.57x = 16,155.27 × 8,600.49
  4. Step 4: Simplify right side
    10,788.57x = 138,943,238.08
  5. Step 5: Solve for x
    x = 138,943,238.08/10,788.57
  6. Step 6: Final answer
    x = 12,878.74

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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.