Home / 15,200.26-20,984.00-9,543.22

Finding the Fourth Proportional to 15,200.26, 20,984.00 and 9,543.22

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Solution

The fourth proportional to 15,200.26, 20,984.00 and 9,543.22 is: 13,174.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,200.26 : 20,984.00 = 9,543.22 : x
  2. Step 2: Convert to fraction form
    15,200.26/20,984.00 = 9,543.22/x
  3. Step 3: Cross multiply
    15,200.26x = 20,984.00 × 9,543.22
  4. Step 4: Simplify right side
    15,200.26x = 200,254,828.30
  5. Step 5: Solve for x
    x = 200,254,828.30/15,200.26
  6. Step 6: Final answer
    x = 13,174.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.