Home / 11,050.78-15,250.35-6,800.26

Finding the Fourth Proportional to 11,050.78, 15,250.35 and 6,800.26

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Solution

The fourth proportional to 11,050.78, 15,250.35 and 6,800.26 is: 9,384.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,050.78 : 15,250.35 = 6,800.26 : x
  2. Step 2: Convert to fraction form
    11,050.78/15,250.35 = 6,800.26/x
  3. Step 3: Cross multiply
    11,050.78x = 15,250.35 × 6,800.26
  4. Step 4: Simplify right side
    11,050.78x = 103,706,345.09
  5. Step 5: Solve for x
    x = 103,706,345.09/11,050.78
  6. Step 6: Final answer
    x = 9,384.53

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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.