Home / 13,473.60-18,592.47-8,171.34

Finding the Fourth Proportional to 13,473.60, 18,592.47 and 8,171.34

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Solution

The fourth proportional to 13,473.60, 18,592.47 and 8,171.34 is: 11,275.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,473.60 : 18,592.47 = 8,171.34 : x
  2. Step 2: Convert to fraction form
    13,473.60/18,592.47 = 8,171.34/x
  3. Step 3: Cross multiply
    13,473.60x = 18,592.47 × 8,171.34
  4. Step 4: Simplify right side
    13,473.60x = 151,925,393.81
  5. Step 5: Solve for x
    x = 151,925,393.81/13,473.60
  6. Step 6: Final answer
    x = 11,275.78

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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.