Home / 20,068.62-27,700.47-12,109.50

Finding the Fourth Proportional to 20,068.62, 27,700.47 and 12,109.50

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Solution

The fourth proportional to 20,068.62, 27,700.47 and 12,109.50 is: 16,714.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,068.62 : 27,700.47 = 12,109.50 : x
  2. Step 2: Convert to fraction form
    20,068.62/27,700.47 = 12,109.50/x
  3. Step 3: Cross multiply
    20,068.62x = 27,700.47 × 12,109.50
  4. Step 4: Simplify right side
    20,068.62x = 335,438,841.47
  5. Step 5: Solve for x
    x = 335,438,841.47/20,068.62
  6. Step 6: Final answer
    x = 16,714.59

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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.