Home / 20,844.51-31,258.89-6,801.21

Finding the Fourth Proportional to 20,844.51, 31,258.89 and 6,801.21

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Solution

The fourth proportional to 20,844.51, 31,258.89 and 6,801.21 is: 10,199.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,844.51 : 31,258.89 = 6,801.21 : x
  2. Step 2: Convert to fraction form
    20,844.51/31,258.89 = 6,801.21/x
  3. Step 3: Cross multiply
    20,844.51x = 31,258.89 × 6,801.21
  4. Step 4: Simplify right side
    20,844.51x = 212,598,275.26
  5. Step 5: Solve for x
    x = 212,598,275.26/20,844.51
  6. Step 6: Final answer
    x = 10,199.25

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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.