Home / 19,215.73-28,834.40-10,451.26

Finding the Fourth Proportional to 19,215.73, 28,834.40 and 10,451.26

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Solution

The fourth proportional to 19,215.73, 28,834.40 and 10,451.26 is: 15,682.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,215.73 : 28,834.40 = 10,451.26 : x
  2. Step 2: Convert to fraction form
    19,215.73/28,834.40 = 10,451.26/x
  3. Step 3: Cross multiply
    19,215.73x = 28,834.40 × 10,451.26
  4. Step 4: Simplify right side
    19,215.73x = 301,355,811.34
  5. Step 5: Solve for x
    x = 301,355,811.34/19,215.73
  6. Step 6: Final answer
    x = 15,682.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.