Home / 18,691.07-25,793.58-10,307.57

Finding the Fourth Proportional to 18,691.07, 25,793.58 and 10,307.57

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Solution

The fourth proportional to 18,691.07, 25,793.58 and 10,307.57 is: 14,224.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,691.07 : 25,793.58 = 10,307.57 : x
  2. Step 2: Convert to fraction form
    18,691.07/25,793.58 = 10,307.57/x
  3. Step 3: Cross multiply
    18,691.07x = 25,793.58 × 10,307.57
  4. Step 4: Simplify right side
    18,691.07x = 265,868,950.89
  5. Step 5: Solve for x
    x = 265,868,950.89/18,691.07
  6. Step 6: Final answer
    x = 14,224.39

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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.