Home / 12,674.04-18,980.40-12,341.88

Finding the Fourth Proportional to 12,674.04, 18,980.40 and 12,341.88

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Solution

The fourth proportional to 12,674.04, 18,980.40 and 12,341.88 is: 18,482.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,674.04 : 18,980.40 = 12,341.88 : x
  2. Step 2: Convert to fraction form
    12,674.04/18,980.40 = 12,341.88/x
  3. Step 3: Cross multiply
    12,674.04x = 18,980.40 × 12,341.88
  4. Step 4: Simplify right side
    12,674.04x = 234,253,819.15
  5. Step 5: Solve for x
    x = 234,253,819.15/12,674.04
  6. Step 6: Final answer
    x = 18,482.96

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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.