Home / 15,812.99-23,716.80-5,281.82

Finding the Fourth Proportional to 15,812.99, 23,716.80 and 5,281.82

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Solution

The fourth proportional to 15,812.99, 23,716.80 and 5,281.82 is: 7,921.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,812.99 : 23,716.80 = 5,281.82 : x
  2. Step 2: Convert to fraction form
    15,812.99/23,716.80 = 5,281.82/x
  3. Step 3: Cross multiply
    15,812.99x = 23,716.80 × 5,281.82
  4. Step 4: Simplify right side
    15,812.99x = 125,267,723.58
  5. Step 5: Solve for x
    x = 125,267,723.58/15,812.99
  6. Step 6: Final answer
    x = 7,921.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.