Home / 21,033.36-31,549.88-6,242.32

Finding the Fourth Proportional to 21,033.36, 31,549.88 and 6,242.32

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Solution

The fourth proportional to 21,033.36, 31,549.88 and 6,242.32 is: 9,363.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,033.36 : 31,549.88 = 6,242.32 : x
  2. Step 2: Convert to fraction form
    21,033.36/31,549.88 = 6,242.32/x
  3. Step 3: Cross multiply
    21,033.36x = 31,549.88 × 6,242.32
  4. Step 4: Simplify right side
    21,033.36x = 196,944,446.92
  5. Step 5: Solve for x
    x = 196,944,446.92/21,033.36
  6. Step 6: Final answer
    x = 9,363.43

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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.