Home / 18,805.05-25,950.75-10,307.64

Finding the Fourth Proportional to 18,805.05, 25,950.75 and 10,307.64

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Solution

The fourth proportional to 18,805.05, 25,950.75 and 10,307.64 is: 14,224.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,805.05 : 25,950.75 = 10,307.64 : x
  2. Step 2: Convert to fraction form
    18,805.05/25,950.75 = 10,307.64/x
  3. Step 3: Cross multiply
    18,805.05x = 25,950.75 × 10,307.64
  4. Step 4: Simplify right side
    18,805.05x = 267,490,988.73
  5. Step 5: Solve for x
    x = 267,490,988.73/18,805.05
  6. Step 6: Final answer
    x = 14,224.42

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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.