Home / 11,150.16-15,386.88-6,114.12

Finding the Fourth Proportional to 11,150.16, 15,386.88 and 6,114.12

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Solution

The fourth proportional to 11,150.16, 15,386.88 and 6,114.12 is: 8,437.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,150.16 : 15,386.88 = 6,114.12 : x
  2. Step 2: Convert to fraction form
    11,150.16/15,386.88 = 6,114.12/x
  3. Step 3: Cross multiply
    11,150.16x = 15,386.88 × 6,114.12
  4. Step 4: Simplify right side
    11,150.16x = 94,077,230.75
  5. Step 5: Solve for x
    x = 94,077,230.75/11,150.16
  6. Step 6: Final answer
    x = 8,437.30

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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.