Home / 21,015.08-31,522.52-6,224.08

Finding the Fourth Proportional to 21,015.08, 31,522.52 and 6,224.08

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Solution

The fourth proportional to 21,015.08, 31,522.52 and 6,224.08 is: 9,336.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,015.08 : 31,522.52 = 6,224.08 : x
  2. Step 2: Convert to fraction form
    21,015.08/31,522.52 = 6,224.08/x
  3. Step 3: Cross multiply
    21,015.08x = 31,522.52 × 6,224.08
  4. Step 4: Simplify right side
    21,015.08x = 196,198,686.28
  5. Step 5: Solve for x
    x = 196,198,686.28/21,015.08
  6. Step 6: Final answer
    x = 9,336.09

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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.