Home / 15,733.07-21,711.71-9,019.09

Finding the Fourth Proportional to 15,733.07, 21,711.71 and 9,019.09

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Solution

The fourth proportional to 15,733.07, 21,711.71 and 9,019.09 is: 12,446.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,733.07 : 21,711.71 = 9,019.09 : x
  2. Step 2: Convert to fraction form
    15,733.07/21,711.71 = 9,019.09/x
  3. Step 3: Cross multiply
    15,733.07x = 21,711.71 × 9,019.09
  4. Step 4: Simplify right side
    15,733.07x = 195,819,866.54
  5. Step 5: Solve for x
    x = 195,819,866.54/15,733.07
  6. Step 6: Final answer
    x = 12,446.39

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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.