Home / 15,904.26-21,948.84-9,190.17

Finding the Fourth Proportional to 15,904.26, 21,948.84 and 9,190.17

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Solution

The fourth proportional to 15,904.26, 21,948.84 and 9,190.17 is: 12,682.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,904.26 : 21,948.84 = 9,190.17 : x
  2. Step 2: Convert to fraction form
    15,904.26/21,948.84 = 9,190.17/x
  3. Step 3: Cross multiply
    15,904.26x = 21,948.84 × 9,190.17
  4. Step 4: Simplify right side
    15,904.26x = 201,713,570.90
  5. Step 5: Solve for x
    x = 201,713,570.90/15,904.26
  6. Step 6: Final answer
    x = 12,682.99

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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.