Home / 22,479.51-33,719.27-12,618.57

Finding the Fourth Proportional to 22,479.51, 33,719.27 and 12,618.57

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Solution

The fourth proportional to 22,479.51, 33,719.27 and 12,618.57 is: 18,927.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,479.51 : 33,719.27 = 12,618.57 : x
  2. Step 2: Convert to fraction form
    22,479.51/33,719.27 = 12,618.57/x
  3. Step 3: Cross multiply
    22,479.51x = 33,719.27 × 12,618.57
  4. Step 4: Simplify right side
    22,479.51x = 425,488,905.75
  5. Step 5: Solve for x
    x = 425,488,905.75/22,479.51
  6. Step 6: Final answer
    x = 18,927.86

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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.