Home / 11,150.12-15,386.76-6,114.22

Finding the Fourth Proportional to 11,150.12, 15,386.76 and 6,114.22

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Solution

The fourth proportional to 11,150.12, 15,386.76 and 6,114.22 is: 8,437.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,150.12 : 15,386.76 = 6,114.22 : x
  2. Step 2: Convert to fraction form
    11,150.12/15,386.76 = 6,114.22/x
  3. Step 3: Cross multiply
    11,150.12x = 15,386.76 × 6,114.22
  4. Step 4: Simplify right side
    11,150.12x = 94,078,035.73
  5. Step 5: Solve for x
    x = 94,078,035.73/11,150.12
  6. Step 6: Final answer
    x = 8,437.40

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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.