Home / 43,394.60-65,082.76-12,222.56

Finding the Fourth Proportional to 43,394.60, 65,082.76 and 12,222.56

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Solution

The fourth proportional to 43,394.60, 65,082.76 and 12,222.56 is: 18,331.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,394.60 : 65,082.76 = 12,222.56 : x
  2. Step 2: Convert to fraction form
    43,394.60/65,082.76 = 12,222.56/x
  3. Step 3: Cross multiply
    43,394.60x = 65,082.76 × 12,222.56
  4. Step 4: Simplify right side
    43,394.60x = 795,478,071.22
  5. Step 5: Solve for x
    x = 795,478,071.22/43,394.60
  6. Step 6: Final answer
    x = 18,331.27

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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.