Home / 19,797.48-29,707.38-8,118.90

Finding the Fourth Proportional to 19,797.48, 29,707.38 and 8,118.90

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Solution

The fourth proportional to 19,797.48, 29,707.38 and 8,118.90 is: 12,182.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,797.48 : 29,707.38 = 8,118.90 : x
  2. Step 2: Convert to fraction form
    19,797.48/29,707.38 = 8,118.90/x
  3. Step 3: Cross multiply
    19,797.48x = 29,707.38 × 8,118.90
  4. Step 4: Simplify right side
    19,797.48x = 241,191,247.48
  5. Step 5: Solve for x
    x = 241,191,247.48/19,797.48
  6. Step 6: Final answer
    x = 12,182.93

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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.