Home / 18,151.74-27,220.56-7,056.96

Finding the Fourth Proportional to 18,151.74, 27,220.56 and 7,056.96

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Solution

The fourth proportional to 18,151.74, 27,220.56 and 7,056.96 is: 10,582.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,151.74 : 27,220.56 = 7,056.96 : x
  2. Step 2: Convert to fraction form
    18,151.74/27,220.56 = 7,056.96/x
  3. Step 3: Cross multiply
    18,151.74x = 27,220.56 × 7,056.96
  4. Step 4: Simplify right side
    18,151.74x = 192,094,403.10
  5. Step 5: Solve for x
    x = 192,094,403.10/18,151.74
  6. Step 6: Final answer
    x = 10,582.70

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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.