Home / 23,430.11-32,334.35-12,819.74

Finding the Fourth Proportional to 23,430.11, 32,334.35 and 12,819.74

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Solution

The fourth proportional to 23,430.11, 32,334.35 and 12,819.74 is: 17,691.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,430.11 : 32,334.35 = 12,819.74 : x
  2. Step 2: Convert to fraction form
    23,430.11/32,334.35 = 12,819.74/x
  3. Step 3: Cross multiply
    23,430.11x = 32,334.35 × 12,819.74
  4. Step 4: Simplify right side
    23,430.11x = 414,517,734.30
  5. Step 5: Solve for x
    x = 414,517,734.30/23,430.11
  6. Step 6: Final answer
    x = 17,691.67

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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.