Home / 11,122.91-16,703.45-9,876.32

Finding the Fourth Proportional to 11,122.91, 16,703.45 and 9,876.32

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Solution

The fourth proportional to 11,122.91, 16,703.45 and 9,876.32 is: 14,831.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,122.91 : 16,703.45 = 9,876.32 : x
  2. Step 2: Convert to fraction form
    11,122.91/16,703.45 = 9,876.32/x
  3. Step 3: Cross multiply
    11,122.91x = 16,703.45 × 9,876.32
  4. Step 4: Simplify right side
    11,122.91x = 164,968,617.30
  5. Step 5: Solve for x
    x = 164,968,617.30/11,122.91
  6. Step 6: Final answer
    x = 14,831.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.