Home / 16,869.60-25,311.69-9,069.30

Finding the Fourth Proportional to 16,869.60, 25,311.69 and 9,069.30

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Solution

The fourth proportional to 16,869.60, 25,311.69 and 9,069.30 is: 13,607.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,869.60 : 25,311.69 = 9,069.30 : x
  2. Step 2: Convert to fraction form
    16,869.60/25,311.69 = 9,069.30/x
  3. Step 3: Cross multiply
    16,869.60x = 25,311.69 × 9,069.30
  4. Step 4: Simplify right side
    16,869.60x = 229,559,310.12
  5. Step 5: Solve for x
    x = 229,559,310.12/16,869.60
  6. Step 6: Final answer
    x = 13,607.87

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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.