Home / 12,483.18-17,213.85-8,710.74

Finding the Fourth Proportional to 12,483.18, 17,213.85 and 8,710.74

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Solution

The fourth proportional to 12,483.18, 17,213.85 and 8,710.74 is: 12,011.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,483.18 : 17,213.85 = 8,710.74 : x
  2. Step 2: Convert to fraction form
    12,483.18/17,213.85 = 8,710.74/x
  3. Step 3: Cross multiply
    12,483.18x = 17,213.85 × 8,710.74
  4. Step 4: Simplify right side
    12,483.18x = 149,945,371.75
  5. Step 5: Solve for x
    x = 149,945,371.75/12,483.18
  6. Step 6: Final answer
    x = 12,011.79

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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.