Home / 12,368.80-18,557.52-3,604.24

Finding the Fourth Proportional to 12,368.80, 18,557.52 and 3,604.24

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Solution

The fourth proportional to 12,368.80, 18,557.52 and 3,604.24 is: 5,407.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,368.80 : 18,557.52 = 3,604.24 : x
  2. Step 2: Convert to fraction form
    12,368.80/18,557.52 = 3,604.24/x
  3. Step 3: Cross multiply
    12,368.80x = 18,557.52 × 3,604.24
  4. Step 4: Simplify right side
    12,368.80x = 66,885,755.88
  5. Step 5: Solve for x
    x = 66,885,755.88/12,368.80
  6. Step 6: Final answer
    x = 5,407.62

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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.