Home / 14,979.18-20,521.44-14,418.38

Finding the Fourth Proportional to 14,979.18, 20,521.44 and 14,418.38

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Solution

The fourth proportional to 14,979.18, 20,521.44 and 14,418.38 is: 19,753.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,979.18 : 20,521.44 = 14,418.38 : x
  2. Step 2: Convert to fraction form
    14,979.18/20,521.44 = 14,418.38/x
  3. Step 3: Cross multiply
    14,979.18x = 20,521.44 × 14,418.38
  4. Step 4: Simplify right side
    14,979.18x = 295,885,920.07
  5. Step 5: Solve for x
    x = 295,885,920.07/14,979.18
  6. Step 6: Final answer
    x = 19,753.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.