Home / 15,447.60-23,171.40-7,671.60

Finding the Fourth Proportional to 15,447.60, 23,171.40 and 7,671.60

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Solution

The fourth proportional to 15,447.60, 23,171.40 and 7,671.60 is: 11,507.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,447.60 : 23,171.40 = 7,671.60 : x
  2. Step 2: Convert to fraction form
    15,447.60/23,171.40 = 7,671.60/x
  3. Step 3: Cross multiply
    15,447.60x = 23,171.40 × 7,671.60
  4. Step 4: Simplify right side
    15,447.60x = 177,761,712.24
  5. Step 5: Solve for x
    x = 177,761,712.24/15,447.60
  6. Step 6: Final answer
    x = 11,507.40

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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.