Home / 16,063.88-22,168.15-8,990.35

Finding the Fourth Proportional to 16,063.88, 22,168.15 and 8,990.35

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Solution

The fourth proportional to 16,063.88, 22,168.15 and 8,990.35 is: 12,406.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,063.88 : 22,168.15 = 8,990.35 : x
  2. Step 2: Convert to fraction form
    16,063.88/22,168.15 = 8,990.35/x
  3. Step 3: Cross multiply
    16,063.88x = 22,168.15 × 8,990.35
  4. Step 4: Simplify right side
    16,063.88x = 199,299,349.46
  5. Step 5: Solve for x
    x = 199,299,349.46/16,063.88
  6. Step 6: Final answer
    x = 12,406.68

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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.