Home / 15,086.32-22,719.83-13,739.59

Finding the Fourth Proportional to 15,086.32, 22,719.83 and 13,739.59

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Solution

The fourth proportional to 15,086.32, 22,719.83 and 13,739.59 is: 20,691.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,086.32 : 22,719.83 = 13,739.59 : x
  2. Step 2: Convert to fraction form
    15,086.32/22,719.83 = 13,739.59/x
  3. Step 3: Cross multiply
    15,086.32x = 22,719.83 × 13,739.59
  4. Step 4: Simplify right side
    15,086.32x = 312,161,108.77
  5. Step 5: Solve for x
    x = 312,161,108.77/15,086.32
  6. Step 6: Final answer
    x = 20,691.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.