Home / 11,239.68-15,510.50-6,203.72

Finding the Fourth Proportional to 11,239.68, 15,510.50 and 6,203.72

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Solution

The fourth proportional to 11,239.68, 15,510.50 and 6,203.72 is: 8,560.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,239.68 : 15,510.50 = 6,203.72 : x
  2. Step 2: Convert to fraction form
    11,239.68/15,510.50 = 6,203.72/x
  3. Step 3: Cross multiply
    11,239.68x = 15,510.50 × 6,203.72
  4. Step 4: Simplify right side
    11,239.68x = 96,222,799.06
  5. Step 5: Solve for x
    x = 96,222,799.06/11,239.68
  6. Step 6: Final answer
    x = 8,560.99

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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.