Home / 12,226.19-18,342.95-8,675.15

Finding the Fourth Proportional to 12,226.19, 18,342.95 and 8,675.15

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Solution

The fourth proportional to 12,226.19, 18,342.95 and 8,675.15 is: 13,015.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,226.19 : 18,342.95 = 8,675.15 : x
  2. Step 2: Convert to fraction form
    12,226.19/18,342.95 = 8,675.15/x
  3. Step 3: Cross multiply
    12,226.19x = 18,342.95 × 8,675.15
  4. Step 4: Simplify right side
    12,226.19x = 159,127,707.60
  5. Step 5: Solve for x
    x = 159,127,707.60/12,226.19
  6. Step 6: Final answer
    x = 13,015.32

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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.