Home / 20,260.65-30,393.40-6,218.84

Finding the Fourth Proportional to 20,260.65, 30,393.40 and 6,218.84

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Solution

The fourth proportional to 20,260.65, 30,393.40 and 6,218.84 is: 9,329.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,260.65 : 30,393.40 = 6,218.84 : x
  2. Step 2: Convert to fraction form
    20,260.65/30,393.40 = 6,218.84/x
  3. Step 3: Cross multiply
    20,260.65x = 30,393.40 × 6,218.84
  4. Step 4: Simplify right side
    20,260.65x = 189,011,691.66
  5. Step 5: Solve for x
    x = 189,011,691.66/20,260.65
  6. Step 6: Final answer
    x = 9,329.00

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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.