Home / 14,371.71-19,833.09-7,998.57

Finding the Fourth Proportional to 14,371.71, 19,833.09 and 7,998.57

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Solution

The fourth proportional to 14,371.71, 19,833.09 and 7,998.57 is: 11,038.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,371.71 : 19,833.09 = 7,998.57 : x
  2. Step 2: Convert to fraction form
    14,371.71/19,833.09 = 7,998.57/x
  3. Step 3: Cross multiply
    14,371.71x = 19,833.09 × 7,998.57
  4. Step 4: Simplify right side
    14,371.71x = 158,636,358.68
  5. Step 5: Solve for x
    x = 158,636,358.68/14,371.71
  6. Step 6: Final answer
    x = 11,038.10

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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.