Home / 15,142.14-22,716.99-5,281.50

Finding the Fourth Proportional to 15,142.14, 22,716.99 and 5,281.50

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Solution

The fourth proportional to 15,142.14, 22,716.99 and 5,281.50 is: 7,923.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,142.14 : 22,716.99 = 5,281.50 : x
  2. Step 2: Convert to fraction form
    15,142.14/22,716.99 = 5,281.50/x
  3. Step 3: Cross multiply
    15,142.14x = 22,716.99 × 5,281.50
  4. Step 4: Simplify right side
    15,142.14x = 119,979,782.69
  5. Step 5: Solve for x
    x = 119,979,782.69/15,142.14
  6. Step 6: Final answer
    x = 7,923.57

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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.