Home / 15,342.04-21,167.22-8,626.60

Finding the Fourth Proportional to 15,342.04, 21,167.22 and 8,626.60

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Solution

The fourth proportional to 15,342.04, 21,167.22 and 8,626.60 is: 11,902.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,342.04 : 21,167.22 = 8,626.60 : x
  2. Step 2: Convert to fraction form
    15,342.04/21,167.22 = 8,626.60/x
  3. Step 3: Cross multiply
    15,342.04x = 21,167.22 × 8,626.60
  4. Step 4: Simplify right side
    15,342.04x = 182,601,140.05
  5. Step 5: Solve for x
    x = 182,601,140.05/15,342.04
  6. Step 6: Final answer
    x = 11,902.01

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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.