Home / 21,519.46-32,279.31-9,824.50

Finding the Fourth Proportional to 21,519.46, 32,279.31 and 9,824.50

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Solution

The fourth proportional to 21,519.46, 32,279.31 and 9,824.50 is: 14,736.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,519.46 : 32,279.31 = 9,824.50 : x
  2. Step 2: Convert to fraction form
    21,519.46/32,279.31 = 9,824.50/x
  3. Step 3: Cross multiply
    21,519.46x = 32,279.31 × 9,824.50
  4. Step 4: Simplify right side
    21,519.46x = 317,128,081.10
  5. Step 5: Solve for x
    x = 317,128,081.10/21,519.46
  6. Step 6: Final answer
    x = 14,736.80

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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.