Home / 11,331.72-15,637.68-6,295.92

Finding the Fourth Proportional to 11,331.72, 15,637.68 and 6,295.92

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Solution

The fourth proportional to 11,331.72, 15,637.68 and 6,295.92 is: 8,688.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,331.72 : 15,637.68 = 6,295.92 : x
  2. Step 2: Convert to fraction form
    11,331.72/15,637.68 = 6,295.92/x
  3. Step 3: Cross multiply
    11,331.72x = 15,637.68 × 6,295.92
  4. Step 4: Simplify right side
    11,331.72x = 98,453,582.27
  5. Step 5: Solve for x
    x = 98,453,582.27/11,331.72
  6. Step 6: Final answer
    x = 8,688.32

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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.