Home / 15,459.60-23,202.20-7,152.40

Finding the Fourth Proportional to 15,459.60, 23,202.20 and 7,152.40

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Solution

The fourth proportional to 15,459.60, 23,202.20 and 7,152.40 is: 10,734.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,459.60 : 23,202.20 = 7,152.40 : x
  2. Step 2: Convert to fraction form
    15,459.60/23,202.20 = 7,152.40/x
  3. Step 3: Cross multiply
    15,459.60x = 23,202.20 × 7,152.40
  4. Step 4: Simplify right side
    15,459.60x = 165,951,415.28
  5. Step 5: Solve for x
    x = 165,951,415.28/15,459.60
  6. Step 6: Final answer
    x = 10,734.52

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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.