Home / 17,130.57-23,640.32-9,577.21

Finding the Fourth Proportional to 17,130.57, 23,640.32 and 9,577.21

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Solution

The fourth proportional to 17,130.57, 23,640.32 and 9,577.21 is: 13,216.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,130.57 : 23,640.32 = 9,577.21 : x
  2. Step 2: Convert to fraction form
    17,130.57/23,640.32 = 9,577.21/x
  3. Step 3: Cross multiply
    17,130.57x = 23,640.32 × 9,577.21
  4. Step 4: Simplify right side
    17,130.57x = 226,408,309.11
  5. Step 5: Solve for x
    x = 226,408,309.11/17,130.57
  6. Step 6: Final answer
    x = 13,216.62

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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.