Home / 19,419.99-26,797.07-10,920.75

Finding the Fourth Proportional to 19,419.99, 26,797.07 and 10,920.75

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Solution

The fourth proportional to 19,419.99, 26,797.07 and 10,920.75 is: 15,069.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,419.99 : 26,797.07 = 10,920.75 : x
  2. Step 2: Convert to fraction form
    19,419.99/26,797.07 = 10,920.75/x
  3. Step 3: Cross multiply
    19,419.99x = 26,797.07 × 10,920.75
  4. Step 4: Simplify right side
    19,419.99x = 292,644,047.60
  5. Step 5: Solve for x
    x = 292,644,047.60/19,419.99
  6. Step 6: Final answer
    x = 15,069.22

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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.