Home / 16,389.60-22,619.68-10,014.88

Finding the Fourth Proportional to 16,389.60, 22,619.68 and 10,014.88

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Solution

The fourth proportional to 16,389.60, 22,619.68 and 10,014.88 is: 13,821.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,389.60 : 22,619.68 = 10,014.88 : x
  2. Step 2: Convert to fraction form
    16,389.60/22,619.68 = 10,014.88/x
  3. Step 3: Cross multiply
    16,389.60x = 22,619.68 × 10,014.88
  4. Step 4: Simplify right side
    16,389.60x = 226,533,380.84
  5. Step 5: Solve for x
    x = 226,533,380.84/16,389.60
  6. Step 6: Final answer
    x = 13,821.78

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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.