Home / 15,561.36-23,341.68-5,173.20

Finding the Fourth Proportional to 15,561.36, 23,341.68 and 5,173.20

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Solution

The fourth proportional to 15,561.36, 23,341.68 and 5,173.20 is: 7,759.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,561.36 : 23,341.68 = 5,173.20 : x
  2. Step 2: Convert to fraction form
    15,561.36/23,341.68 = 5,173.20/x
  3. Step 3: Cross multiply
    15,561.36x = 23,341.68 × 5,173.20
  4. Step 4: Simplify right side
    15,561.36x = 120,751,178.98
  5. Step 5: Solve for x
    x = 120,751,178.98/15,561.36
  6. Step 6: Final answer
    x = 7,759.68

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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.