Home / 11,069.21-15,275.31-6,353.12

Finding the Fourth Proportional to 11,069.21, 15,275.31 and 6,353.12

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Solution

The fourth proportional to 11,069.21, 15,275.31 and 6,353.12 is: 8,767.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,069.21 : 15,275.31 = 6,353.12 : x
  2. Step 2: Convert to fraction form
    11,069.21/15,275.31 = 6,353.12/x
  3. Step 3: Cross multiply
    11,069.21x = 15,275.31 × 6,353.12
  4. Step 4: Simplify right side
    11,069.21x = 97,045,877.47
  5. Step 5: Solve for x
    x = 97,045,877.47/11,069.21
  6. Step 6: Final answer
    x = 8,767.19

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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.