Home / 15,832.86-21,839.82-10,455.35

Finding the Fourth Proportional to 15,832.86, 21,839.82 and 10,455.35

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Solution

The fourth proportional to 15,832.86, 21,839.82 and 10,455.35 is: 14,422.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,832.86 : 21,839.82 = 10,455.35 : x
  2. Step 2: Convert to fraction form
    15,832.86/21,839.82 = 10,455.35/x
  3. Step 3: Cross multiply
    15,832.86x = 21,839.82 × 10,455.35
  4. Step 4: Simplify right side
    15,832.86x = 228,342,852.84
  5. Step 5: Solve for x
    x = 228,342,852.84/15,832.86
  6. Step 6: Final answer
    x = 14,422.09

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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.