Home / 13,250.52-19,873.45-3,890.38

Finding the Fourth Proportional to 13,250.52, 19,873.45 and 3,890.38

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Solution

The fourth proportional to 13,250.52, 19,873.45 and 3,890.38 is: 5,834.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,250.52 : 19,873.45 = 3,890.38 : x
  2. Step 2: Convert to fraction form
    13,250.52/19,873.45 = 3,890.38/x
  3. Step 3: Cross multiply
    13,250.52x = 19,873.45 × 3,890.38
  4. Step 4: Simplify right side
    13,250.52x = 77,315,272.41
  5. Step 5: Solve for x
    x = 77,315,272.41/13,250.52
  6. Step 6: Final answer
    x = 5,834.89

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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.