Home / 16,027.40-22,117.69-8,857.80

Finding the Fourth Proportional to 16,027.40, 22,117.69 and 8,857.80

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Solution

The fourth proportional to 16,027.40, 22,117.69 and 8,857.80 is: 12,223.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,027.40 : 22,117.69 = 8,857.80 : x
  2. Step 2: Convert to fraction form
    16,027.40/22,117.69 = 8,857.80/x
  3. Step 3: Cross multiply
    16,027.40x = 22,117.69 × 8,857.80
  4. Step 4: Simplify right side
    16,027.40x = 195,914,085.55
  5. Step 5: Solve for x
    x = 195,914,085.55/16,027.40
  6. Step 6: Final answer
    x = 12,223.70

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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.