Home / 19,013.82-26,246.07-14,289.90

Finding the Fourth Proportional to 19,013.82, 26,246.07 and 14,289.90

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Solution

The fourth proportional to 19,013.82, 26,246.07 and 14,289.90 is: 19,725.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,013.82 : 26,246.07 = 14,289.90 : x
  2. Step 2: Convert to fraction form
    19,013.82/26,246.07 = 14,289.90/x
  3. Step 3: Cross multiply
    19,013.82x = 26,246.07 × 14,289.90
  4. Step 4: Simplify right side
    19,013.82x = 375,053,715.69
  5. Step 5: Solve for x
    x = 375,053,715.69/19,013.82
  6. Step 6: Final answer
    x = 19,725.32

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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.