Home / 20,263.32-30,400.80-6,225.39

Finding the Fourth Proportional to 20,263.32, 30,400.80 and 6,225.39

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Solution

The fourth proportional to 20,263.32, 30,400.80 and 6,225.39 is: 9,339.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,263.32 : 30,400.80 = 6,225.39 : x
  2. Step 2: Convert to fraction form
    20,263.32/30,400.80 = 6,225.39/x
  3. Step 3: Cross multiply
    20,263.32x = 30,400.80 × 6,225.39
  4. Step 4: Simplify right side
    20,263.32x = 189,256,836.31
  5. Step 5: Solve for x
    x = 189,256,836.31/20,263.32
  6. Step 6: Final answer
    x = 9,339.87

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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.