Home / 12,377.95-18,567.73-3,612.13

Finding the Fourth Proportional to 12,377.95, 18,567.73 and 3,612.13

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Solution

The fourth proportional to 12,377.95, 18,567.73 and 3,612.13 is: 5,418.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,377.95 : 18,567.73 = 3,612.13 : x
  2. Step 2: Convert to fraction form
    12,377.95/18,567.73 = 3,612.13/x
  3. Step 3: Cross multiply
    12,377.95x = 18,567.73 × 3,612.13
  4. Step 4: Simplify right side
    12,377.95x = 67,069,054.56
  5. Step 5: Solve for x
    x = 67,069,054.56/12,377.95
  6. Step 6: Final answer
    x = 5,418.43

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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.