Home / 11,256.48-15,535.20-6,477.90

Finding the Fourth Proportional to 11,256.48, 15,535.20 and 6,477.90

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Solution

The fourth proportional to 11,256.48, 15,535.20 and 6,477.90 is: 8,940.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,256.48 : 15,535.20 = 6,477.90 : x
  2. Step 2: Convert to fraction form
    11,256.48/15,535.20 = 6,477.90/x
  3. Step 3: Cross multiply
    11,256.48x = 15,535.20 × 6,477.90
  4. Step 4: Simplify right side
    11,256.48x = 100,635,472.08
  5. Step 5: Solve for x
    x = 100,635,472.08/11,256.48
  6. Step 6: Final answer
    x = 8,940.23

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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.