Home / 11,277.26-15,557.40-7,299.70

Finding the Fourth Proportional to 11,277.26, 15,557.40 and 7,299.70

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Solution

The fourth proportional to 11,277.26, 15,557.40 and 7,299.70 is: 10,070.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,277.26 : 15,557.40 = 7,299.70 : x
  2. Step 2: Convert to fraction form
    11,277.26/15,557.40 = 7,299.70/x
  3. Step 3: Cross multiply
    11,277.26x = 15,557.40 × 7,299.70
  4. Step 4: Simplify right side
    11,277.26x = 113,564,352.78
  5. Step 5: Solve for x
    x = 113,564,352.78/11,277.26
  6. Step 6: Final answer
    x = 10,070.21

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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.