Home / 20,673.14-31,007.41-5,681.41

Finding the Fourth Proportional to 20,673.14, 31,007.41 and 5,681.41

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Solution

The fourth proportional to 20,673.14, 31,007.41 and 5,681.41 is: 8,521.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,673.14 : 31,007.41 = 5,681.41 : x
  2. Step 2: Convert to fraction form
    20,673.14/31,007.41 = 5,681.41/x
  3. Step 3: Cross multiply
    20,673.14x = 31,007.41 × 5,681.41
  4. Step 4: Simplify right side
    20,673.14x = 176,165,795.04
  5. Step 5: Solve for x
    x = 176,165,795.04/20,673.14
  6. Step 6: Final answer
    x = 8,521.48

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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.