Home / 20,248.76-30,392.58-9,867.80

Finding the Fourth Proportional to 20,248.76, 30,392.58 and 9,867.80

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Solution

The fourth proportional to 20,248.76, 30,392.58 and 9,867.80 is: 14,811.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,248.76 : 30,392.58 = 9,867.80 : x
  2. Step 2: Convert to fraction form
    20,248.76/30,392.58 = 9,867.80/x
  3. Step 3: Cross multiply
    20,248.76x = 30,392.58 × 9,867.80
  4. Step 4: Simplify right side
    20,248.76x = 299,907,900.92
  5. Step 5: Solve for x
    x = 299,907,900.92/20,248.76
  6. Step 6: Final answer
    x = 14,811.17

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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.