Home / 18,748.80-25,878.40-10,793.60

Finding the Fourth Proportional to 18,748.80, 25,878.40 and 10,793.60

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Solution

The fourth proportional to 18,748.80, 25,878.40 and 10,793.60 is: 14,898.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,748.80 : 25,878.40 = 10,793.60 : x
  2. Step 2: Convert to fraction form
    18,748.80/25,878.40 = 10,793.60/x
  3. Step 3: Cross multiply
    18,748.80x = 25,878.40 × 10,793.60
  4. Step 4: Simplify right side
    18,748.80x = 279,321,098.24
  5. Step 5: Solve for x
    x = 279,321,098.24/18,748.80
  6. Step 6: Final answer
    x = 14,898.08

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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.