Home / 19,992.20-30,007.73-9,611.24

Finding the Fourth Proportional to 19,992.20, 30,007.73 and 9,611.24

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Solution

The fourth proportional to 19,992.20, 30,007.73 and 9,611.24 is: 14,426.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,992.20 : 30,007.73 = 9,611.24 : x
  2. Step 2: Convert to fraction form
    19,992.20/30,007.73 = 9,611.24/x
  3. Step 3: Cross multiply
    19,992.20x = 30,007.73 × 9,611.24
  4. Step 4: Simplify right side
    19,992.20x = 288,411,368.87
  5. Step 5: Solve for x
    x = 288,411,368.87/19,992.20
  6. Step 6: Final answer
    x = 14,426.20

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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.