Home / 20,678.67-31,008.84-5,884.23

Finding the Fourth Proportional to 20,678.67, 31,008.84 and 5,884.23

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Solution

The fourth proportional to 20,678.67, 31,008.84 and 5,884.23 is: 8,823.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,678.67 : 31,008.84 = 5,884.23 : x
  2. Step 2: Convert to fraction form
    20,678.67/31,008.84 = 5,884.23/x
  3. Step 3: Cross multiply
    20,678.67x = 31,008.84 × 5,884.23
  4. Step 4: Simplify right side
    20,678.67x = 182,463,146.59
  5. Step 5: Solve for x
    x = 182,463,146.59/20,678.67
  6. Step 6: Final answer
    x = 8,823.74

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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.