Home / 21,017.07-31,522.77-6,223.23

Finding the Fourth Proportional to 21,017.07, 31,522.77 and 6,223.23

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Solution

The fourth proportional to 21,017.07, 31,522.77 and 6,223.23 is: 9,334.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,017.07 : 31,522.77 = 6,223.23 : x
  2. Step 2: Convert to fraction form
    21,017.07/31,522.77 = 6,223.23/x
  3. Step 3: Cross multiply
    21,017.07x = 31,522.77 × 6,223.23
  4. Step 4: Simplify right side
    21,017.07x = 196,173,447.95
  5. Step 5: Solve for x
    x = 196,173,447.95/21,017.07
  6. Step 6: Final answer
    x = 9,334.01

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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.