Home / 12,316.05-18,474.48-4,819.32

Finding the Fourth Proportional to 12,316.05, 18,474.48 and 4,819.32

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Solution

The fourth proportional to 12,316.05, 18,474.48 and 4,819.32 is: 7,229.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,316.05 : 18,474.48 = 4,819.32 : x
  2. Step 2: Convert to fraction form
    12,316.05/18,474.48 = 4,819.32/x
  3. Step 3: Cross multiply
    12,316.05x = 18,474.48 × 4,819.32
  4. Step 4: Simplify right side
    12,316.05x = 89,034,430.95
  5. Step 5: Solve for x
    x = 89,034,430.95/12,316.05
  6. Step 6: Final answer
    x = 7,229.14

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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.