Home / 15,197.55-20,973.38-8,483.06

Finding the Fourth Proportional to 15,197.55, 20,973.38 and 8,483.06

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Solution

The fourth proportional to 15,197.55, 20,973.38 and 8,483.06 is: 11,707.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,197.55 : 20,973.38 = 8,483.06 : x
  2. Step 2: Convert to fraction form
    15,197.55/20,973.38 = 8,483.06/x
  3. Step 3: Cross multiply
    15,197.55x = 20,973.38 × 8,483.06
  4. Step 4: Simplify right side
    15,197.55x = 177,918,293.66
  5. Step 5: Solve for x
    x = 177,918,293.66/15,197.55
  6. Step 6: Final answer
    x = 11,707.04

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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.