Home / 11,069.19-15,276.40-6,354.38

Finding the Fourth Proportional to 11,069.19, 15,276.40 and 6,354.38

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Solution

The fourth proportional to 11,069.19, 15,276.40 and 6,354.38 is: 8,769.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,069.19 : 15,276.40 = 6,354.38 : x
  2. Step 2: Convert to fraction form
    11,069.19/15,276.40 = 6,354.38/x
  3. Step 3: Cross multiply
    11,069.19x = 15,276.40 × 6,354.38
  4. Step 4: Simplify right side
    11,069.19x = 97,072,072.94
  5. Step 5: Solve for x
    x = 97,072,072.94/11,069.19
  6. Step 6: Final answer
    x = 8,769.57

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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.