Home / 11,238.90-16,858.35-10,029.30

Finding the Fourth Proportional to 11,238.90, 16,858.35 and 10,029.30

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Solution

The fourth proportional to 11,238.90, 16,858.35 and 10,029.30 is: 15,043.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,238.90 : 16,858.35 = 10,029.30 : x
  2. Step 2: Convert to fraction form
    11,238.90/16,858.35 = 10,029.30/x
  3. Step 3: Cross multiply
    11,238.90x = 16,858.35 × 10,029.30
  4. Step 4: Simplify right side
    11,238.90x = 169,077,449.66
  5. Step 5: Solve for x
    x = 169,077,449.66/11,238.90
  6. Step 6: Final answer
    x = 15,043.95

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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.