Home / 22,719.02-31,351.49-12,647.14

Finding the Fourth Proportional to 22,719.02, 31,351.49 and 12,647.14

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Solution

The fourth proportional to 22,719.02, 31,351.49 and 12,647.14 is: 17,452.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,719.02 : 31,351.49 = 12,647.14 : x
  2. Step 2: Convert to fraction form
    22,719.02/31,351.49 = 12,647.14/x
  3. Step 3: Cross multiply
    22,719.02x = 31,351.49 × 12,647.14
  4. Step 4: Simplify right side
    22,719.02x = 396,506,589.05
  5. Step 5: Solve for x
    x = 396,506,589.05/22,719.02
  6. Step 6: Final answer
    x = 17,452.63

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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.