Home / 11,348.74-15,661.26-6,312.84

Finding the Fourth Proportional to 11,348.74, 15,661.26 and 6,312.84

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Solution

The fourth proportional to 11,348.74, 15,661.26 and 6,312.84 is: 8,711.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,348.74 : 15,661.26 = 6,312.84 : x
  2. Step 2: Convert to fraction form
    11,348.74/15,661.26 = 6,312.84/x
  3. Step 3: Cross multiply
    11,348.74x = 15,661.26 × 6,312.84
  4. Step 4: Simplify right side
    11,348.74x = 98,867,028.58
  5. Step 5: Solve for x
    x = 98,867,028.58/11,348.74
  6. Step 6: Final answer
    x = 8,711.72

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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.