Home / 19,412.20-29,118.30-8,882.20

Finding the Fourth Proportional to 19,412.20, 29,118.30 and 8,882.20

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Solution

The fourth proportional to 19,412.20, 29,118.30 and 8,882.20 is: 13,323.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,412.20 : 29,118.30 = 8,882.20 : x
  2. Step 2: Convert to fraction form
    19,412.20/29,118.30 = 8,882.20/x
  3. Step 3: Cross multiply
    19,412.20x = 29,118.30 × 8,882.20
  4. Step 4: Simplify right side
    19,412.20x = 258,634,564.26
  5. Step 5: Solve for x
    x = 258,634,564.26/19,412.20
  6. Step 6: Final answer
    x = 13,323.30

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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.