Home / 11,544.77-15,931.75-6,239.57

Finding the Fourth Proportional to 11,544.77, 15,931.75 and 6,239.57

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Solution

The fourth proportional to 11,544.77, 15,931.75 and 6,239.57 is: 8,610.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,544.77 : 15,931.75 = 6,239.57 : x
  2. Step 2: Convert to fraction form
    11,544.77/15,931.75 = 6,239.57/x
  3. Step 3: Cross multiply
    11,544.77x = 15,931.75 × 6,239.57
  4. Step 4: Simplify right side
    11,544.77x = 99,407,238.15
  5. Step 5: Solve for x
    x = 99,407,238.15/11,544.77
  6. Step 6: Final answer
    x = 8,610.59

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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.