Home / 11,039.76-15,235.24-6,259.64

Finding the Fourth Proportional to 11,039.76, 15,235.24 and 6,259.64

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Solution

The fourth proportional to 11,039.76, 15,235.24 and 6,259.64 is: 8,638.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,039.76 : 15,235.24 = 6,259.64 : x
  2. Step 2: Convert to fraction form
    11,039.76/15,235.24 = 6,259.64/x
  3. Step 3: Cross multiply
    11,039.76x = 15,235.24 × 6,259.64
  4. Step 4: Simplify right side
    11,039.76x = 95,367,117.71
  5. Step 5: Solve for x
    x = 95,367,117.71/11,039.76
  6. Step 6: Final answer
    x = 8,638.51

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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.