Home / 15,186.68-22,821.54-14,190.20

Finding the Fourth Proportional to 15,186.68, 22,821.54 and 14,190.20

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Solution

The fourth proportional to 15,186.68, 22,821.54 and 14,190.20 is: 21,324.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,186.68 : 22,821.54 = 14,190.20 : x
  2. Step 2: Convert to fraction form
    15,186.68/22,821.54 = 14,190.20/x
  3. Step 3: Cross multiply
    15,186.68x = 22,821.54 × 14,190.20
  4. Step 4: Simplify right side
    15,186.68x = 323,842,216.91
  5. Step 5: Solve for x
    x = 323,842,216.91/15,186.68
  6. Step 6: Final answer
    x = 21,324.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.