Home / 16,128.32-22,255.56-9,053.36

Finding the Fourth Proportional to 16,128.32, 22,255.56 and 9,053.36

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Solution

The fourth proportional to 16,128.32, 22,255.56 and 9,053.36 is: 12,492.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,128.32 : 22,255.56 = 9,053.36 : x
  2. Step 2: Convert to fraction form
    16,128.32/22,255.56 = 9,053.36/x
  3. Step 3: Cross multiply
    16,128.32x = 22,255.56 × 9,053.36
  4. Step 4: Simplify right side
    16,128.32x = 201,487,596.68
  5. Step 5: Solve for x
    x = 201,487,596.68/16,128.32
  6. Step 6: Final answer
    x = 12,492.78

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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.