Home / 13,779.90-20,673.03-5,882.70

Finding the Fourth Proportional to 13,779.90, 20,673.03 and 5,882.70

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Solution

The fourth proportional to 13,779.90, 20,673.03 and 5,882.70 is: 8,825.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,779.90 : 20,673.03 = 5,882.70 : x
  2. Step 2: Convert to fraction form
    13,779.90/20,673.03 = 5,882.70/x
  3. Step 3: Cross multiply
    13,779.90x = 20,673.03 × 5,882.70
  4. Step 4: Simplify right side
    13,779.90x = 121,613,233.58
  5. Step 5: Solve for x
    x = 121,613,233.58/13,779.90
  6. Step 6: Final answer
    x = 8,825.41

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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.