Home / 11,277.30-15,557.47-7,299.69

Finding the Fourth Proportional to 11,277.30, 15,557.47 and 7,299.69

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Solution

The fourth proportional to 11,277.30, 15,557.47 and 7,299.69 is: 10,070.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,277.30 : 15,557.47 = 7,299.69 : x
  2. Step 2: Convert to fraction form
    11,277.30/15,557.47 = 7,299.69/x
  3. Step 3: Cross multiply
    11,277.30x = 15,557.47 × 7,299.69
  4. Step 4: Simplify right side
    11,277.30x = 113,564,708.18
  5. Step 5: Solve for x
    x = 113,564,708.18/11,277.30
  6. Step 6: Final answer
    x = 10,070.20

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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.