Home / 18,319.12-25,285.14-10,365.96

Finding the Fourth Proportional to 18,319.12, 25,285.14 and 10,365.96

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Solution

The fourth proportional to 18,319.12, 25,285.14 and 10,365.96 is: 14,307.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,319.12 : 25,285.14 = 10,365.96 : x
  2. Step 2: Convert to fraction form
    18,319.12/25,285.14 = 10,365.96/x
  3. Step 3: Cross multiply
    18,319.12x = 25,285.14 × 10,365.96
  4. Step 4: Simplify right side
    18,319.12x = 262,104,571.58
  5. Step 5: Solve for x
    x = 262,104,571.58/18,319.12
  6. Step 6: Final answer
    x = 14,307.71

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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.