Home / 15,833.86-21,841.20-10,456.35

Finding the Fourth Proportional to 15,833.86, 21,841.20 and 10,456.35

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Solution

The fourth proportional to 15,833.86, 21,841.20 and 10,456.35 is: 14,423.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,833.86 : 21,841.20 = 10,456.35 : x
  2. Step 2: Convert to fraction form
    15,833.86/21,841.20 = 10,456.35/x
  3. Step 3: Cross multiply
    15,833.86x = 21,841.20 × 10,456.35
  4. Step 4: Simplify right side
    15,833.86x = 228,379,231.62
  5. Step 5: Solve for x
    x = 228,379,231.62/15,833.86
  6. Step 6: Final answer
    x = 14,423.47

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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.