Home / 12,437.35-18,657.84-3,671.12

Finding the Fourth Proportional to 12,437.35, 18,657.84 and 3,671.12

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Solution

The fourth proportional to 12,437.35, 18,657.84 and 3,671.12 is: 5,507.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,437.35 : 18,657.84 = 3,671.12 : x
  2. Step 2: Convert to fraction form
    12,437.35/18,657.84 = 3,671.12/x
  3. Step 3: Cross multiply
    12,437.35x = 18,657.84 × 3,671.12
  4. Step 4: Simplify right side
    12,437.35x = 68,495,229.99
  5. Step 5: Solve for x
    x = 68,495,229.99/12,437.35
  6. Step 6: Final answer
    x = 5,507.22

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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.