Home / 19,002.71-26,223.78-10,619.21

Finding the Fourth Proportional to 19,002.71, 26,223.78 and 10,619.21

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Solution

The fourth proportional to 19,002.71, 26,223.78 and 10,619.21 is: 14,654.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,002.71 : 26,223.78 = 10,619.21 : x
  2. Step 2: Convert to fraction form
    19,002.71/26,223.78 = 10,619.21/x
  3. Step 3: Cross multiply
    19,002.71x = 26,223.78 × 10,619.21
  4. Step 4: Simplify right side
    19,002.71x = 278,475,773.72
  5. Step 5: Solve for x
    x = 278,475,773.72/19,002.71
  6. Step 6: Final answer
    x = 14,654.53

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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.