Home / 20,591.07-30,886.38-5,008.71

Finding the Fourth Proportional to 20,591.07, 30,886.38 and 5,008.71

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Solution

The fourth proportional to 20,591.07, 30,886.38 and 5,008.71 is: 7,513.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,591.07 : 30,886.38 = 5,008.71 : x
  2. Step 2: Convert to fraction form
    20,591.07/30,886.38 = 5,008.71/x
  3. Step 3: Cross multiply
    20,591.07x = 30,886.38 × 5,008.71
  4. Step 4: Simplify right side
    20,591.07x = 154,700,920.37
  5. Step 5: Solve for x
    x = 154,700,920.37/20,591.07
  6. Step 6: Final answer
    x = 7,513.01

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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.