Home / 9,388.19-12,955.67-5,081.27

Finding the Fourth Proportional to 9,388.19, 12,955.67 and 5,081.27

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Solution

The fourth proportional to 9,388.19, 12,955.67 and 5,081.27 is: 7,012.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,388.19 : 12,955.67 = 5,081.27 : x
  2. Step 2: Convert to fraction form
    9,388.19/12,955.67 = 5,081.27/x
  3. Step 3: Cross multiply
    9,388.19x = 12,955.67 × 5,081.27
  4. Step 4: Simplify right side
    9,388.19x = 65,831,167.12
  5. Step 5: Solve for x
    x = 65,831,167.12/9,388.19
  6. Step 6: Final answer
    x = 7,012.13

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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.