Home / 20,339.61-30,507.84-6,299.74

Finding the Fourth Proportional to 20,339.61, 30,507.84 and 6,299.74

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Solution

The fourth proportional to 20,339.61, 30,507.84 and 6,299.74 is: 9,449.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,339.61 : 30,507.84 = 6,299.74 : x
  2. Step 2: Convert to fraction form
    20,339.61/30,507.84 = 6,299.74/x
  3. Step 3: Cross multiply
    20,339.61x = 30,507.84 × 6,299.74
  4. Step 4: Simplify right side
    20,339.61x = 192,191,498.10
  5. Step 5: Solve for x
    x = 192,191,498.10/20,339.61
  6. Step 6: Final answer
    x = 9,449.13

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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.