Home / 18,815.02-25,964.96-10,317.11

Finding the Fourth Proportional to 18,815.02, 25,964.96 and 10,317.11

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Solution

The fourth proportional to 18,815.02, 25,964.96 and 10,317.11 is: 14,237.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,815.02 : 25,964.96 = 10,317.11 : x
  2. Step 2: Convert to fraction form
    18,815.02/25,964.96 = 10,317.11/x
  3. Step 3: Cross multiply
    18,815.02x = 25,964.96 × 10,317.11
  4. Step 4: Simplify right side
    18,815.02x = 267,883,167.06
  5. Step 5: Solve for x
    x = 267,883,167.06/18,815.02
  6. Step 6: Final answer
    x = 14,237.73

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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.