Home / 11,189.22-15,437.43-6,470.16

Finding the Fourth Proportional to 11,189.22, 15,437.43 and 6,470.16

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Solution

The fourth proportional to 11,189.22, 15,437.43 and 6,470.16 is: 8,926.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,189.22 : 15,437.43 = 6,470.16 : x
  2. Step 2: Convert to fraction form
    11,189.22/15,437.43 = 6,470.16/x
  3. Step 3: Cross multiply
    11,189.22x = 15,437.43 × 6,470.16
  4. Step 4: Simplify right side
    11,189.22x = 99,882,642.09
  5. Step 5: Solve for x
    x = 99,882,642.09/11,189.22
  6. Step 6: Final answer
    x = 8,926.68

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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.