Home / 18,837.10-28,259.75-8,962.80

Finding the Fourth Proportional to 18,837.10, 28,259.75 and 8,962.80

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Solution

The fourth proportional to 18,837.10, 28,259.75 and 8,962.80 is: 13,446.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,837.10 : 28,259.75 = 8,962.80 : x
  2. Step 2: Convert to fraction form
    18,837.10/28,259.75 = 8,962.80/x
  3. Step 3: Cross multiply
    18,837.10x = 28,259.75 × 8,962.80
  4. Step 4: Simplify right side
    18,837.10x = 253,286,487.30
  5. Step 5: Solve for x
    x = 253,286,487.30/18,837.10
  6. Step 6: Final answer
    x = 13,446.15

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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.