Home / 19,347.80-29,021.75-8,247.41

Finding the Fourth Proportional to 19,347.80, 29,021.75 and 8,247.41

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Solution

The fourth proportional to 19,347.80, 29,021.75 and 8,247.41 is: 12,371.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,347.80 : 29,021.75 = 8,247.41 : x
  2. Step 2: Convert to fraction form
    19,347.80/29,021.75 = 8,247.41/x
  3. Step 3: Cross multiply
    19,347.80x = 29,021.75 × 8,247.41
  4. Step 4: Simplify right side
    19,347.80x = 239,354,271.17
  5. Step 5: Solve for x
    x = 239,354,271.17/19,347.80
  6. Step 6: Final answer
    x = 12,371.14

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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.