Home / 11,288.36-15,578.93-6,253.61

Finding the Fourth Proportional to 11,288.36, 15,578.93 and 6,253.61

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Solution

The fourth proportional to 11,288.36, 15,578.93 and 6,253.61 is: 8,630.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,288.36 : 15,578.93 = 6,253.61 : x
  2. Step 2: Convert to fraction form
    11,288.36/15,578.93 = 6,253.61/x
  3. Step 3: Cross multiply
    11,288.36x = 15,578.93 × 6,253.61
  4. Step 4: Simplify right side
    11,288.36x = 97,424,490.18
  5. Step 5: Solve for x
    x = 97,424,490.18/11,288.36
  6. Step 6: Final answer
    x = 8,630.52

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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.