Home / 18,814.38-25,964.14-10,317.28

Finding the Fourth Proportional to 18,814.38, 25,964.14 and 10,317.28

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Solution

The fourth proportional to 18,814.38, 25,964.14 and 10,317.28 is: 14,238.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,814.38 : 25,964.14 = 10,317.28 : x
  2. Step 2: Convert to fraction form
    18,814.38/25,964.14 = 10,317.28/x
  3. Step 3: Cross multiply
    18,814.38x = 25,964.14 × 10,317.28
  4. Step 4: Simplify right side
    18,814.38x = 267,879,367.04
  5. Step 5: Solve for x
    x = 267,879,367.04/18,814.38
  6. Step 6: Final answer
    x = 14,238.01

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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.