Home / 12,374.10-18,512.55-11,207.70

Finding the Fourth Proportional to 12,374.10, 18,512.55 and 11,207.70

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Solution

The fourth proportional to 12,374.10, 18,512.55 and 11,207.70 is: 16,767.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,374.10 : 18,512.55 = 11,207.70 : x
  2. Step 2: Convert to fraction form
    12,374.10/18,512.55 = 11,207.70/x
  3. Step 3: Cross multiply
    12,374.10x = 18,512.55 × 11,207.70
  4. Step 4: Simplify right side
    12,374.10x = 207,483,106.64
  5. Step 5: Solve for x
    x = 207,483,106.64/12,374.10
  6. Step 6: Final answer
    x = 16,767.53

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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.