Home / 16,128.88-22,258.74-9,056.32

Finding the Fourth Proportional to 16,128.88, 22,258.74 and 9,056.32

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Solution

The fourth proportional to 16,128.88, 22,258.74 and 9,056.32 is: 12,498.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,128.88 : 22,258.74 = 9,056.32 : x
  2. Step 2: Convert to fraction form
    16,128.88/22,258.74 = 9,056.32/x
  3. Step 3: Cross multiply
    16,128.88x = 22,258.74 × 9,056.32
  4. Step 4: Simplify right side
    16,128.88x = 201,582,272.24
  5. Step 5: Solve for x
    x = 201,582,272.24/16,128.88
  6. Step 6: Final answer
    x = 12,498.22

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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.