Home / 20,366.12-30,527.34-13,343.48

Finding the Fourth Proportional to 20,366.12, 30,527.34 and 13,343.48

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Solution

The fourth proportional to 20,366.12, 30,527.34 and 13,343.48 is: 20,000.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,366.12 : 30,527.34 = 13,343.48 : x
  2. Step 2: Convert to fraction form
    20,366.12/30,527.34 = 13,343.48/x
  3. Step 3: Cross multiply
    20,366.12x = 30,527.34 × 13,343.48
  4. Step 4: Simplify right side
    20,366.12x = 407,340,950.74
  5. Step 5: Solve for x
    x = 407,340,950.74/20,366.12
  6. Step 6: Final answer
    x = 20,000.91

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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.