Home / 15,834.28-21,841.79-10,456.77

Finding the Fourth Proportional to 15,834.28, 21,841.79 and 10,456.77

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Solution

The fourth proportional to 15,834.28, 21,841.79 and 10,456.77 is: 14,424.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,834.28 : 21,841.79 = 10,456.77 : x
  2. Step 2: Convert to fraction form
    15,834.28/21,841.79 = 10,456.77/x
  3. Step 3: Cross multiply
    15,834.28x = 21,841.79 × 10,456.77
  4. Step 4: Simplify right side
    15,834.28x = 228,394,574.42
  5. Step 5: Solve for x
    x = 228,394,574.42/15,834.28
  6. Step 6: Final answer
    x = 14,424.06

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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.