Home / 18,881.26-28,320.05-5,733.74

Finding the Fourth Proportional to 18,881.26, 28,320.05 and 5,733.74

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Solution

The fourth proportional to 18,881.26, 28,320.05 and 5,733.74 is: 8,600.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,881.26 : 28,320.05 = 5,733.74 : x
  2. Step 2: Convert to fraction form
    18,881.26/28,320.05 = 5,733.74/x
  3. Step 3: Cross multiply
    18,881.26x = 28,320.05 × 5,733.74
  4. Step 4: Simplify right side
    18,881.26x = 162,379,803.49
  5. Step 5: Solve for x
    x = 162,379,803.49/18,881.26
  6. Step 6: Final answer
    x = 8,600.05

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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.