Home / 20,348.89-30,523.74-9,247.84

Finding the Fourth Proportional to 20,348.89, 30,523.74 and 9,247.84

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Solution

The fourth proportional to 20,348.89, 30,523.74 and 9,247.84 is: 13,871.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,348.89 : 30,523.74 = 9,247.84 : x
  2. Step 2: Convert to fraction form
    20,348.89/30,523.74 = 9,247.84/x
  3. Step 3: Cross multiply
    20,348.89x = 30,523.74 × 9,247.84
  4. Step 4: Simplify right side
    20,348.89x = 282,278,663.72
  5. Step 5: Solve for x
    x = 282,278,663.72/20,348.89
  6. Step 6: Final answer
    x = 13,871.94

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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.