Home / 19,358.25-26,716.41-10,862.67

Finding the Fourth Proportional to 19,358.25, 26,716.41 and 10,862.67

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Solution

The fourth proportional to 19,358.25, 26,716.41 and 10,862.67 is: 14,991.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,358.25 : 26,716.41 = 10,862.67 : x
  2. Step 2: Convert to fraction form
    19,358.25/26,716.41 = 10,862.67/x
  3. Step 3: Cross multiply
    19,358.25x = 26,716.41 × 10,862.67
  4. Step 4: Simplify right side
    19,358.25x = 290,211,545.41
  5. Step 5: Solve for x
    x = 290,211,545.41/19,358.25
  6. Step 6: Final answer
    x = 14,991.62

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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.