Home / 15,195.36-22,779.12-5,329.26

Finding the Fourth Proportional to 15,195.36, 22,779.12 and 5,329.26

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Solution

The fourth proportional to 15,195.36, 22,779.12 and 5,329.26 is: 7,989.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,195.36 : 22,779.12 = 5,329.26 : x
  2. Step 2: Convert to fraction form
    15,195.36/22,779.12 = 5,329.26/x
  3. Step 3: Cross multiply
    15,195.36x = 22,779.12 × 5,329.26
  4. Step 4: Simplify right side
    15,195.36x = 121,395,853.05
  5. Step 5: Solve for x
    x = 121,395,853.05/15,195.36
  6. Step 6: Final answer
    x = 7,989.01

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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.