Home / 20,426.52-30,648.50-9,904.32

Finding the Fourth Proportional to 20,426.52, 30,648.50 and 9,904.32

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Solution

The fourth proportional to 20,426.52, 30,648.50 and 9,904.32 is: 14,860.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,426.52 : 30,648.50 = 9,904.32 : x
  2. Step 2: Convert to fraction form
    20,426.52/30,648.50 = 9,904.32/x
  3. Step 3: Cross multiply
    20,426.52x = 30,648.50 × 9,904.32
  4. Step 4: Simplify right side
    20,426.52x = 303,552,551.52
  5. Step 5: Solve for x
    x = 303,552,551.52/20,426.52
  6. Step 6: Final answer
    x = 14,860.71

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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.