Home / 19,128.25-26,399.46-10,744.75

Finding the Fourth Proportional to 19,128.25, 26,399.46 and 10,744.75

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Solution

The fourth proportional to 19,128.25, 26,399.46 and 10,744.75 is: 14,829.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,128.25 : 26,399.46 = 10,744.75 : x
  2. Step 2: Convert to fraction form
    19,128.25/26,399.46 = 10,744.75/x
  3. Step 3: Cross multiply
    19,128.25x = 26,399.46 × 10,744.75
  4. Step 4: Simplify right side
    19,128.25x = 283,655,597.84
  5. Step 5: Solve for x
    x = 283,655,597.84/19,128.25
  6. Step 6: Final answer
    x = 14,829.15

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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.