Home / 19,922.40-27,491.87-10,968.17

Finding the Fourth Proportional to 19,922.40, 27,491.87 and 10,968.17

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Solution

The fourth proportional to 19,922.40, 27,491.87 and 10,968.17 is: 15,135.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,922.40 : 27,491.87 = 10,968.17 : x
  2. Step 2: Convert to fraction form
    19,922.40/27,491.87 = 10,968.17/x
  3. Step 3: Cross multiply
    19,922.40x = 27,491.87 × 10,968.17
  4. Step 4: Simplify right side
    19,922.40x = 301,535,393.74
  5. Step 5: Solve for x
    x = 301,535,393.74/19,922.40
  6. Step 6: Final answer
    x = 15,135.50

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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.