Home / 11,166.20-15,409.54-6,130.88

Finding the Fourth Proportional to 11,166.20, 15,409.54 and 6,130.88

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Solution

The fourth proportional to 11,166.20, 15,409.54 and 6,130.88 is: 8,460.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,166.20 : 15,409.54 = 6,130.88 : x
  2. Step 2: Convert to fraction form
    11,166.20/15,409.54 = 6,130.88/x
  3. Step 3: Cross multiply
    11,166.20x = 15,409.54 × 6,130.88
  4. Step 4: Simplify right side
    11,166.20x = 94,474,040.60
  5. Step 5: Solve for x
    x = 94,474,040.60/11,166.20
  6. Step 6: Final answer
    x = 8,460.72

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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.