Home / 24,816.56-34,246.68-13,638.80

Finding the Fourth Proportional to 24,816.56, 34,246.68 and 13,638.80

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Solution

The fourth proportional to 24,816.56, 34,246.68 and 13,638.80 is: 18,821.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,816.56 : 34,246.68 = 13,638.80 : x
  2. Step 2: Convert to fraction form
    24,816.56/34,246.68 = 13,638.80/x
  3. Step 3: Cross multiply
    24,816.56x = 34,246.68 × 13,638.80
  4. Step 4: Simplify right side
    24,816.56x = 467,083,619.18
  5. Step 5: Solve for x
    x = 467,083,619.18/24,816.56
  6. Step 6: Final answer
    x = 18,821.45

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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.