Home / 10,253.02-15,379.58-2,857.48

Finding the Fourth Proportional to 10,253.02, 15,379.58 and 2,857.48

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Solution

The fourth proportional to 10,253.02, 15,379.58 and 2,857.48 is: 4,286.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,253.02 : 15,379.58 = 2,857.48 : x
  2. Step 2: Convert to fraction form
    10,253.02/15,379.58 = 2,857.48/x
  3. Step 3: Cross multiply
    10,253.02x = 15,379.58 × 2,857.48
  4. Step 4: Simplify right side
    10,253.02x = 43,946,842.26
  5. Step 5: Solve for x
    x = 43,946,842.26/10,253.02
  6. Step 6: Final answer
    x = 4,286.23

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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.