Home / 12,612.18-18,919.35-3,252.11

Finding the Fourth Proportional to 12,612.18, 18,919.35 and 3,252.11

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Solution

The fourth proportional to 12,612.18, 18,919.35 and 3,252.11 is: 4,878.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,612.18 : 18,919.35 = 3,252.11 : x
  2. Step 2: Convert to fraction form
    12,612.18/18,919.35 = 3,252.11/x
  3. Step 3: Cross multiply
    12,612.18x = 18,919.35 × 3,252.11
  4. Step 4: Simplify right side
    12,612.18x = 61,527,807.33
  5. Step 5: Solve for x
    x = 61,527,807.33/12,612.18
  6. Step 6: Final answer
    x = 4,878.45

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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.