Home / 11,269.38-15,554.87-6,554.57

Finding the Fourth Proportional to 11,269.38, 15,554.87 and 6,554.57

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Solution

The fourth proportional to 11,269.38, 15,554.87 and 6,554.57 is: 9,047.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,269.38 : 15,554.87 = 6,554.57 : x
  2. Step 2: Convert to fraction form
    11,269.38/15,554.87 = 6,554.57/x
  3. Step 3: Cross multiply
    11,269.38x = 15,554.87 × 6,554.57
  4. Step 4: Simplify right side
    11,269.38x = 101,955,373.71
  5. Step 5: Solve for x
    x = 101,955,373.71/11,269.38
  6. Step 6: Final answer
    x = 9,047.11

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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.