Home / 12,294.16-18,438.48-3,527.12

Finding the Fourth Proportional to 12,294.16, 18,438.48 and 3,527.12

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Solution

The fourth proportional to 12,294.16, 18,438.48 and 3,527.12 is: 5,289.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,294.16 : 18,438.48 = 3,527.12 : x
  2. Step 2: Convert to fraction form
    12,294.16/18,438.48 = 3,527.12/x
  3. Step 3: Cross multiply
    12,294.16x = 18,438.48 × 3,527.12
  4. Step 4: Simplify right side
    12,294.16x = 65,034,731.58
  5. Step 5: Solve for x
    x = 65,034,731.58/12,294.16
  6. Step 6: Final answer
    x = 5,289.89

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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.