Home / 15,699.36-23,549.20-5,170.08

Finding the Fourth Proportional to 15,699.36, 23,549.20 and 5,170.08

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Solution

The fourth proportional to 15,699.36, 23,549.20 and 5,170.08 is: 7,755.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,699.36 : 23,549.20 = 5,170.08 : x
  2. Step 2: Convert to fraction form
    15,699.36/23,549.20 = 5,170.08/x
  3. Step 3: Cross multiply
    15,699.36x = 23,549.20 × 5,170.08
  4. Step 4: Simplify right side
    15,699.36x = 121,751,247.94
  5. Step 5: Solve for x
    x = 121,751,247.94/15,699.36
  6. Step 6: Final answer
    x = 7,755.17

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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.