Home / 10,016.22-15,023.12-4,172.07

Finding the Fourth Proportional to 10,016.22, 15,023.12 and 4,172.07

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Solution

The fourth proportional to 10,016.22, 15,023.12 and 4,172.07 is: 6,257.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,016.22 : 15,023.12 = 4,172.07 : x
  2. Step 2: Convert to fraction form
    10,016.22/15,023.12 = 4,172.07/x
  3. Step 3: Cross multiply
    10,016.22x = 15,023.12 × 4,172.07
  4. Step 4: Simplify right side
    10,016.22x = 62,677,487.40
  5. Step 5: Solve for x
    x = 62,677,487.40/10,016.22
  6. Step 6: Final answer
    x = 6,257.60

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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.