Home / 16,249.12-22,424.40-9,176.32

Finding the Fourth Proportional to 16,249.12, 22,424.40 and 9,176.32

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Solution

The fourth proportional to 16,249.12, 22,424.40 and 9,176.32 is: 12,663.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,249.12 : 22,424.40 = 9,176.32 : x
  2. Step 2: Convert to fraction form
    16,249.12/22,424.40 = 9,176.32/x
  3. Step 3: Cross multiply
    16,249.12x = 22,424.40 × 9,176.32
  4. Step 4: Simplify right side
    16,249.12x = 205,773,470.21
  5. Step 5: Solve for x
    x = 205,773,470.21/16,249.12
  6. Step 6: Final answer
    x = 12,663.67

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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.