Home / 16,249.07-22,421.51-9,078.11

Finding the Fourth Proportional to 16,249.07, 22,421.51 and 9,078.11

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Solution

The fourth proportional to 16,249.07, 22,421.51 and 9,078.11 is: 12,526.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,249.07 : 22,421.51 = 9,078.11 : x
  2. Step 2: Convert to fraction form
    16,249.07/22,421.51 = 9,078.11/x
  3. Step 3: Cross multiply
    16,249.07x = 22,421.51 × 9,078.11
  4. Step 4: Simplify right side
    16,249.07x = 203,544,894.77
  5. Step 5: Solve for x
    x = 203,544,894.77/16,249.07
  6. Step 6: Final answer
    x = 12,526.55

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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.