Home / 20,437.11-30,655.77-6,205.71

Finding the Fourth Proportional to 20,437.11, 30,655.77 and 6,205.71

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Solution

The fourth proportional to 20,437.11, 30,655.77 and 6,205.71 is: 9,308.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,437.11 : 30,655.77 = 6,205.71 : x
  2. Step 2: Convert to fraction form
    20,437.11/30,655.77 = 6,205.71/x
  3. Step 3: Cross multiply
    20,437.11x = 30,655.77 × 6,205.71
  4. Step 4: Simplify right side
    20,437.11x = 190,240,818.45
  5. Step 5: Solve for x
    x = 190,240,818.45/20,437.11
  6. Step 6: Final answer
    x = 9,308.60

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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.