Home / 19,339.47-29,011.23-8,247.33

Finding the Fourth Proportional to 19,339.47, 29,011.23 and 8,247.33

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Solution

The fourth proportional to 19,339.47, 29,011.23 and 8,247.33 is: 12,371.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,339.47 : 29,011.23 = 8,247.33 : x
  2. Step 2: Convert to fraction form
    19,339.47/29,011.23 = 8,247.33/x
  3. Step 3: Cross multiply
    19,339.47x = 29,011.23 × 8,247.33
  4. Step 4: Simplify right side
    19,339.47x = 239,265,187.52
  5. Step 5: Solve for x
    x = 239,265,187.52/19,339.47
  6. Step 6: Final answer
    x = 12,371.86

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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.