Home / 17,128.78-23,637.36-9,574.90

Finding the Fourth Proportional to 17,128.78, 23,637.36 and 9,574.90

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Solution

The fourth proportional to 17,128.78, 23,637.36 and 9,574.90 is: 13,213.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,128.78 : 23,637.36 = 9,574.90 : x
  2. Step 2: Convert to fraction form
    17,128.78/23,637.36 = 9,574.90/x
  3. Step 3: Cross multiply
    17,128.78x = 23,637.36 × 9,574.90
  4. Step 4: Simplify right side
    17,128.78x = 226,325,358.26
  5. Step 5: Solve for x
    x = 226,325,358.26/17,128.78
  6. Step 6: Final answer
    x = 13,213.16

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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.