Home / 13,848.30-20,743.20-9,170.55

Finding the Fourth Proportional to 13,848.30, 20,743.20 and 9,170.55

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Solution

The fourth proportional to 13,848.30, 20,743.20 and 9,170.55 is: 13,736.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,848.30 : 20,743.20 = 9,170.55 : x
  2. Step 2: Convert to fraction form
    13,848.30/20,743.20 = 9,170.55/x
  3. Step 3: Cross multiply
    13,848.30x = 20,743.20 × 9,170.55
  4. Step 4: Simplify right side
    13,848.30x = 190,226,552.76
  5. Step 5: Solve for x
    x = 190,226,552.76/13,848.30
  6. Step 6: Final answer
    x = 13,736.46

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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.