Home / 12,276.24-18,404.76-8,370.96

Finding the Fourth Proportional to 12,276.24, 18,404.76 and 8,370.96

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Solution

The fourth proportional to 12,276.24, 18,404.76 and 8,370.96 is: 12,549.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,276.24 : 18,404.76 = 8,370.96 : x
  2. Step 2: Convert to fraction form
    12,276.24/18,404.76 = 8,370.96/x
  3. Step 3: Cross multiply
    12,276.24x = 18,404.76 × 8,370.96
  4. Step 4: Simplify right side
    12,276.24x = 154,065,509.77
  5. Step 5: Solve for x
    x = 154,065,509.77/12,276.24
  6. Step 6: Final answer
    x = 12,549.89

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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.