Home / 12,246.60-18,374.70-4,456.20

Finding the Fourth Proportional to 12,246.60, 18,374.70 and 4,456.20

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Solution

The fourth proportional to 12,246.60, 18,374.70 and 4,456.20 is: 6,686.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,246.60 : 18,374.70 = 4,456.20 : x
  2. Step 2: Convert to fraction form
    12,246.60/18,374.70 = 4,456.20/x
  3. Step 3: Cross multiply
    12,246.60x = 18,374.70 × 4,456.20
  4. Step 4: Simplify right side
    12,246.60x = 81,881,338.14
  5. Step 5: Solve for x
    x = 81,881,338.14/12,246.60
  6. Step 6: Final answer
    x = 6,686.05

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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.