Home / 16,311.95-22,509.80-9,506.61

Finding the Fourth Proportional to 16,311.95, 22,509.80 and 9,506.61

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Solution

The fourth proportional to 16,311.95, 22,509.80 and 9,506.61 is: 13,118.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,311.95 : 22,509.80 = 9,506.61 : x
  2. Step 2: Convert to fraction form
    16,311.95/22,509.80 = 9,506.61/x
  3. Step 3: Cross multiply
    16,311.95x = 22,509.80 × 9,506.61
  4. Step 4: Simplify right side
    16,311.95x = 213,991,842.24
  5. Step 5: Solve for x
    x = 213,991,842.24/16,311.95
  6. Step 6: Final answer
    x = 13,118.72

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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.