Home / 18,814.90-25,964.85-10,317.80

Finding the Fourth Proportional to 18,814.90, 25,964.85 and 10,317.80

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Solution

The fourth proportional to 18,814.90, 25,964.85 and 10,317.80 is: 14,238.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,814.90 : 25,964.85 = 10,317.80 : x
  2. Step 2: Convert to fraction form
    18,814.90/25,964.85 = 10,317.80/x
  3. Step 3: Cross multiply
    18,814.90x = 25,964.85 × 10,317.80
  4. Step 4: Simplify right side
    18,814.90x = 267,900,086.88
  5. Step 5: Solve for x
    x = 267,900,086.88/18,814.90
  6. Step 6: Final answer
    x = 14,238.72

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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.