Home / 11,190.56-15,443.06-6,154.65

Finding the Fourth Proportional to 11,190.56, 15,443.06 and 6,154.65

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Solution

The fourth proportional to 11,190.56, 15,443.06 and 6,154.65 is: 8,493.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,190.56 : 15,443.06 = 6,154.65 : x
  2. Step 2: Convert to fraction form
    11,190.56/15,443.06 = 6,154.65/x
  3. Step 3: Cross multiply
    11,190.56x = 15,443.06 × 6,154.65
  4. Step 4: Simplify right side
    11,190.56x = 95,046,598.46
  5. Step 5: Solve for x
    x = 95,046,598.46/11,190.56
  6. Step 6: Final answer
    x = 8,493.47

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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.