Home / 14,227.40-21,341.10-4,992.20

Finding the Fourth Proportional to 14,227.40, 21,341.10 and 4,992.20

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Solution

The fourth proportional to 14,227.40, 21,341.10 and 4,992.20 is: 7,488.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,227.40 : 21,341.10 = 4,992.20 : x
  2. Step 2: Convert to fraction form
    14,227.40/21,341.10 = 4,992.20/x
  3. Step 3: Cross multiply
    14,227.40x = 21,341.10 × 4,992.20
  4. Step 4: Simplify right side
    14,227.40x = 106,539,039.42
  5. Step 5: Solve for x
    x = 106,539,039.42/14,227.40
  6. Step 6: Final answer
    x = 7,488.30

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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.