Home / 21,862.13-32,798.72-6,279.75

Finding the Fourth Proportional to 21,862.13, 32,798.72 and 6,279.75

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Solution

The fourth proportional to 21,862.13, 32,798.72 and 6,279.75 is: 9,421.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,862.13 : 32,798.72 = 6,279.75 : x
  2. Step 2: Convert to fraction form
    21,862.13/32,798.72 = 6,279.75/x
  3. Step 3: Cross multiply
    21,862.13x = 32,798.72 × 6,279.75
  4. Step 4: Simplify right side
    21,862.13x = 205,967,777.62
  5. Step 5: Solve for x
    x = 205,967,777.62/21,862.13
  6. Step 6: Final answer
    x = 9,421.21

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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.