Home / 21,244.28-31,867.08-7,204.10

Finding the Fourth Proportional to 21,244.28, 31,867.08 and 7,204.10

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Solution

The fourth proportional to 21,244.28, 31,867.08 and 7,204.10 is: 10,806.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,244.28 : 31,867.08 = 7,204.10 : x
  2. Step 2: Convert to fraction form
    21,244.28/31,867.08 = 7,204.10/x
  3. Step 3: Cross multiply
    21,244.28x = 31,867.08 × 7,204.10
  4. Step 4: Simplify right side
    21,244.28x = 229,573,631.03
  5. Step 5: Solve for x
    x = 229,573,631.03/21,244.28
  6. Step 6: Final answer
    x = 10,806.37

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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.