Home / 14,499.20-21,748.80-3,555.20

Finding the Fourth Proportional to 14,499.20, 21,748.80 and 3,555.20

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Solution

The fourth proportional to 14,499.20, 21,748.80 and 3,555.20 is: 5,332.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,499.20 : 21,748.80 = 3,555.20 : x
  2. Step 2: Convert to fraction form
    14,499.20/21,748.80 = 3,555.20/x
  3. Step 3: Cross multiply
    14,499.20x = 21,748.80 × 3,555.20
  4. Step 4: Simplify right side
    14,499.20x = 77,321,225.02
  5. Step 5: Solve for x
    x = 77,321,225.02/14,499.20
  6. Step 6: Final answer
    x = 5,332.79

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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.