Home / 15,351.12-21,198.98-14,522.76

Finding the Fourth Proportional to 15,351.12, 21,198.98 and 14,522.76

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Solution

The fourth proportional to 15,351.12, 21,198.98 and 14,522.76 is: 20,055.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,351.12 : 21,198.98 = 14,522.76 : x
  2. Step 2: Convert to fraction form
    15,351.12/21,198.98 = 14,522.76/x
  3. Step 3: Cross multiply
    15,351.12x = 21,198.98 × 14,522.76
  4. Step 4: Simplify right side
    15,351.12x = 307,867,698.78
  5. Step 5: Solve for x
    x = 307,867,698.78/15,351.12
  6. Step 6: Final answer
    x = 20,055.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.