Home / 15,546.35-23,319.41-7,221.74

Finding the Fourth Proportional to 15,546.35, 23,319.41 and 7,221.74

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Solution

The fourth proportional to 15,546.35, 23,319.41 and 7,221.74 is: 10,832.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,546.35 : 23,319.41 = 7,221.74 : x
  2. Step 2: Convert to fraction form
    15,546.35/23,319.41 = 7,221.74/x
  3. Step 3: Cross multiply
    15,546.35x = 23,319.41 × 7,221.74
  4. Step 4: Simplify right side
    15,546.35x = 168,406,563.27
  5. Step 5: Solve for x
    x = 168,406,563.27/15,546.35
  6. Step 6: Final answer
    x = 10,832.55

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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.