Home / 21,040.28-31,549.36-6,247.16

Finding the Fourth Proportional to 21,040.28, 31,549.36 and 6,247.16

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Solution

The fourth proportional to 21,040.28, 31,549.36 and 6,247.16 is: 9,367.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,040.28 : 31,549.36 = 6,247.16 : x
  2. Step 2: Convert to fraction form
    21,040.28/31,549.36 = 6,247.16/x
  3. Step 3: Cross multiply
    21,040.28x = 31,549.36 × 6,247.16
  4. Step 4: Simplify right side
    21,040.28x = 197,093,899.82
  5. Step 5: Solve for x
    x = 197,093,899.82/21,040.28
  6. Step 6: Final answer
    x = 9,367.46

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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.