Home / 8,014.95-11,055.81-5,181.34

Finding the Fourth Proportional to 8,014.95, 11,055.81 and 5,181.34

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Solution

The fourth proportional to 8,014.95, 11,055.81 and 5,181.34 is: 7,147.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,014.95 : 11,055.81 = 5,181.34 : x
  2. Step 2: Convert to fraction form
    8,014.95/11,055.81 = 5,181.34/x
  3. Step 3: Cross multiply
    8,014.95x = 11,055.81 × 5,181.34
  4. Step 4: Simplify right side
    8,014.95x = 57,283,910.59
  5. Step 5: Solve for x
    x = 57,283,910.59/8,014.95
  6. Step 6: Final answer
    x = 7,147.13

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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.