Home / 20,210.04-27,891.36-11,714.76

Finding the Fourth Proportional to 20,210.04, 27,891.36 and 11,714.76

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Solution

The fourth proportional to 20,210.04, 27,891.36 and 11,714.76 is: 16,167.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,210.04 : 27,891.36 = 11,714.76 : x
  2. Step 2: Convert to fraction form
    20,210.04/27,891.36 = 11,714.76/x
  3. Step 3: Cross multiply
    20,210.04x = 27,891.36 × 11,714.76
  4. Step 4: Simplify right side
    20,210.04x = 326,740,588.47
  5. Step 5: Solve for x
    x = 326,740,588.47/20,210.04
  6. Step 6: Final answer
    x = 16,167.24

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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.