Home / 19,993.20-30,009.23-9,612.24

Finding the Fourth Proportional to 19,993.20, 30,009.23 and 9,612.24

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Solution

The fourth proportional to 19,993.20, 30,009.23 and 9,612.24 is: 14,427.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,993.20 : 30,009.23 = 9,612.24 : x
  2. Step 2: Convert to fraction form
    19,993.20/30,009.23 = 9,612.24/x
  3. Step 3: Cross multiply
    19,993.20x = 30,009.23 × 9,612.24
  4. Step 4: Simplify right side
    19,993.20x = 288,455,920.98
  5. Step 5: Solve for x
    x = 288,455,920.98/19,993.20
  6. Step 6: Final answer
    x = 14,427.70

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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.