Home / 11,325.58-15,629.50-6,221.06

Finding the Fourth Proportional to 11,325.58, 15,629.50 and 6,221.06

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Solution

The fourth proportional to 11,325.58, 15,629.50 and 6,221.06 is: 8,585.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,325.58 : 15,629.50 = 6,221.06 : x
  2. Step 2: Convert to fraction form
    11,325.58/15,629.50 = 6,221.06/x
  3. Step 3: Cross multiply
    11,325.58x = 15,629.50 × 6,221.06
  4. Step 4: Simplify right side
    11,325.58x = 97,231,963.57
  5. Step 5: Solve for x
    x = 97,231,963.57/11,325.58
  6. Step 6: Final answer
    x = 8,585.17

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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.