Home / 17,826.86-24,613-11,115.20

Finding the Fourth Proportional to 17,826.86, 24,613 and 11,115.20

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Solution

The fourth proportional to 17,826.86, 24,613 and 11,115.20 is: 15,346.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,826.86 : 24,613 = 11,115.20 : x
  2. Step 2: Convert to fraction form
    17,826.86/24,613 = 11,115.20/x
  3. Step 3: Cross multiply
    17,826.86x = 24,613 × 11,115.20
  4. Step 4: Simplify right side
    17,826.86x = 273,578,417.60
  5. Step 5: Solve for x
    x = 273,578,417.60/17,826.86
  6. Step 6: Final answer
    x = 15,346.42

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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.