Home / 11,622.16-16,032.36-8,079.22

Finding the Fourth Proportional to 11,622.16, 16,032.36 and 8,079.22

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Solution

The fourth proportional to 11,622.16, 16,032.36 and 8,079.22 is: 11,145.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,622.16 : 16,032.36 = 8,079.22 : x
  2. Step 2: Convert to fraction form
    11,622.16/16,032.36 = 8,079.22/x
  3. Step 3: Cross multiply
    11,622.16x = 16,032.36 × 8,079.22
  4. Step 4: Simplify right side
    11,622.16x = 129,528,963.56
  5. Step 5: Solve for x
    x = 129,528,963.56/11,622.16
  6. Step 6: Final answer
    x = 11,145.00

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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.