Home / 17,620.80-24,298.56-12,313.68

Finding the Fourth Proportional to 17,620.80, 24,298.56 and 12,313.68

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Solution

The fourth proportional to 17,620.80, 24,298.56 and 12,313.68 is: 16,980.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,620.80 : 24,298.56 = 12,313.68 : x
  2. Step 2: Convert to fraction form
    17,620.80/24,298.56 = 12,313.68/x
  3. Step 3: Cross multiply
    17,620.80x = 24,298.56 × 12,313.68
  4. Step 4: Simplify right side
    17,620.80x = 299,204,692.30
  5. Step 5: Solve for x
    x = 299,204,692.30/17,620.80
  6. Step 6: Final answer
    x = 16,980.20

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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.