Home / 15,824.33-21,837.53-9,107.50

Finding the Fourth Proportional to 15,824.33, 21,837.53 and 9,107.50

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Solution

The fourth proportional to 15,824.33, 21,837.53 and 9,107.50 is: 12,568.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,824.33 : 21,837.53 = 9,107.50 : x
  2. Step 2: Convert to fraction form
    15,824.33/21,837.53 = 9,107.50/x
  3. Step 3: Cross multiply
    15,824.33x = 21,837.53 × 9,107.50
  4. Step 4: Simplify right side
    15,824.33x = 198,885,304.48
  5. Step 5: Solve for x
    x = 198,885,304.48/15,824.33
  6. Step 6: Final answer
    x = 12,568.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.