Home / 20,694.08-31,041.12-5,903.30

Finding the Fourth Proportional to 20,694.08, 31,041.12 and 5,903.30

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Solution

The fourth proportional to 20,694.08, 31,041.12 and 5,903.30 is: 8,854.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,694.08 : 31,041.12 = 5,903.30 : x
  2. Step 2: Convert to fraction form
    20,694.08/31,041.12 = 5,903.30/x
  3. Step 3: Cross multiply
    20,694.08x = 31,041.12 × 5,903.30
  4. Step 4: Simplify right side
    20,694.08x = 183,245,043.70
  5. Step 5: Solve for x
    x = 183,245,043.70/20,694.08
  6. Step 6: Final answer
    x = 8,854.95

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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.