Home / 17,180.16-23,756.34-13,637.22

Finding the Fourth Proportional to 17,180.16, 23,756.34 and 13,637.22

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Solution

The fourth proportional to 17,180.16, 23,756.34 and 13,637.22 is: 18,857.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,180.16 : 23,756.34 = 13,637.22 : x
  2. Step 2: Convert to fraction form
    17,180.16/23,756.34 = 13,637.22/x
  3. Step 3: Cross multiply
    17,180.16x = 23,756.34 × 13,637.22
  4. Step 4: Simplify right side
    17,180.16x = 323,970,434.97
  5. Step 5: Solve for x
    x = 323,970,434.97/17,180.16
  6. Step 6: Final answer
    x = 18,857.24

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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.