Home / 16,395.21-22,624.11-9,319.86

Finding the Fourth Proportional to 16,395.21, 22,624.11 and 9,319.86

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Solution

The fourth proportional to 16,395.21, 22,624.11 and 9,319.86 is: 12,860.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,395.21 : 22,624.11 = 9,319.86 : x
  2. Step 2: Convert to fraction form
    16,395.21/22,624.11 = 9,319.86/x
  3. Step 3: Cross multiply
    16,395.21x = 22,624.11 × 9,319.86
  4. Step 4: Simplify right side
    16,395.21x = 210,853,537.82
  5. Step 5: Solve for x
    x = 210,853,537.82/16,395.21
  6. Step 6: Final answer
    x = 12,860.68

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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.