Home / 13,779.48-20,669.22-5,984.04

Finding the Fourth Proportional to 13,779.48, 20,669.22 and 5,984.04

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Solution

The fourth proportional to 13,779.48, 20,669.22 and 5,984.04 is: 8,976.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,779.48 : 20,669.22 = 5,984.04 : x
  2. Step 2: Convert to fraction form
    13,779.48/20,669.22 = 5,984.04/x
  3. Step 3: Cross multiply
    13,779.48x = 20,669.22 × 5,984.04
  4. Step 4: Simplify right side
    13,779.48x = 123,685,439.25
  5. Step 5: Solve for x
    x = 123,685,439.25/13,779.48
  6. Step 6: Final answer
    x = 8,976.06

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Similar ratio
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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.