Home / 16,068.20-22,172.16-8,897.58

Finding the Fourth Proportional to 16,068.20, 22,172.16 and 8,897.58

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Solution

The fourth proportional to 16,068.20, 22,172.16 and 8,897.58 is: 12,277.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,068.20 : 22,172.16 = 8,897.58 : x
  2. Step 2: Convert to fraction form
    16,068.20/22,172.16 = 8,897.58/x
  3. Step 3: Cross multiply
    16,068.20x = 22,172.16 × 8,897.58
  4. Step 4: Simplify right side
    16,068.20x = 197,278,567.37
  5. Step 5: Solve for x
    x = 197,278,567.37/16,068.20
  6. Step 6: Final answer
    x = 12,277.58

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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.