Home / 13,719.24-20,582.19-5,397.12

Finding the Fourth Proportional to 13,719.24, 20,582.19 and 5,397.12

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Solution

The fourth proportional to 13,719.24, 20,582.19 and 5,397.12 is: 8,096.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,719.24 : 20,582.19 = 5,397.12 : x
  2. Step 2: Convert to fraction form
    13,719.24/20,582.19 = 5,397.12/x
  3. Step 3: Cross multiply
    13,719.24x = 20,582.19 × 5,397.12
  4. Step 4: Simplify right side
    13,719.24x = 111,084,549.29
  5. Step 5: Solve for x
    x = 111,084,549.29/13,719.24
  6. Step 6: Final answer
    x = 8,096.99

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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.