Home / 20,694.66-31,036.85-5,903.71

Finding the Fourth Proportional to 20,694.66, 31,036.85 and 5,903.71

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Solution

The fourth proportional to 20,694.66, 31,036.85 and 5,903.71 is: 8,854.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,694.66 : 31,036.85 = 5,903.71 : x
  2. Step 2: Convert to fraction form
    20,694.66/31,036.85 = 5,903.71/x
  3. Step 3: Cross multiply
    20,694.66x = 31,036.85 × 5,903.71
  4. Step 4: Simplify right side
    20,694.66x = 183,232,561.71
  5. Step 5: Solve for x
    x = 183,232,561.71/20,694.66
  6. Step 6: Final answer
    x = 8,854.10

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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.