Home / 15,258.33-21,056.22-8,543.88

Finding the Fourth Proportional to 15,258.33, 21,056.22 and 8,543.88

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Solution

The fourth proportional to 15,258.33, 21,056.22 and 8,543.88 is: 11,790.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,258.33 : 21,056.22 = 8,543.88 : x
  2. Step 2: Convert to fraction form
    15,258.33/21,056.22 = 8,543.88/x
  3. Step 3: Cross multiply
    15,258.33x = 21,056.22 × 8,543.88
  4. Step 4: Simplify right side
    15,258.33x = 179,901,816.93
  5. Step 5: Solve for x
    x = 179,901,816.93/15,258.33
  6. Step 6: Final answer
    x = 11,790.40

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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.