Home / 18,962.56-28,444.02-7,273

Finding the Fourth Proportional to 18,962.56, 28,444.02 and 7,273

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Solution

The fourth proportional to 18,962.56, 28,444.02 and 7,273 is: 10,909.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,962.56 : 28,444.02 = 7,273 : x
  2. Step 2: Convert to fraction form
    18,962.56/28,444.02 = 7,273/x
  3. Step 3: Cross multiply
    18,962.56x = 28,444.02 × 7,273
  4. Step 4: Simplify right side
    18,962.56x = 206,873,357.46
  5. Step 5: Solve for x
    x = 206,873,357.46/18,962.56
  6. Step 6: Final answer
    x = 10,909.57

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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.