Home / 13,685.24-20,452.80-9,995.24

Finding the Fourth Proportional to 13,685.24, 20,452.80 and 9,995.24

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Solution

The fourth proportional to 13,685.24, 20,452.80 and 9,995.24 is: 14,938.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,685.24 : 20,452.80 = 9,995.24 : x
  2. Step 2: Convert to fraction form
    13,685.24/20,452.80 = 9,995.24/x
  3. Step 3: Cross multiply
    13,685.24x = 20,452.80 × 9,995.24
  4. Step 4: Simplify right side
    13,685.24x = 204,430,644.67
  5. Step 5: Solve for x
    x = 204,430,644.67/13,685.24
  6. Step 6: Final answer
    x = 14,938.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.