Home / 19,182.99-28,772.19-5,144.13

Finding the Fourth Proportional to 19,182.99, 28,772.19 and 5,144.13

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Solution

The fourth proportional to 19,182.99, 28,772.19 and 5,144.13 is: 7,715.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,182.99 : 28,772.19 = 5,144.13 : x
  2. Step 2: Convert to fraction form
    19,182.99/28,772.19 = 5,144.13/x
  3. Step 3: Cross multiply
    19,182.99x = 28,772.19 × 5,144.13
  4. Step 4: Simplify right side
    19,182.99x = 148,007,885.74
  5. Step 5: Solve for x
    x = 148,007,885.74/19,182.99
  6. Step 6: Final answer
    x = 7,715.58

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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.