Home / 17,111.64-25,675.62-9,320.28

Finding the Fourth Proportional to 17,111.64, 25,675.62 and 9,320.28

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Solution

The fourth proportional to 17,111.64, 25,675.62 and 9,320.28 is: 13,984.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,111.64 : 25,675.62 = 9,320.28 : x
  2. Step 2: Convert to fraction form
    17,111.64/25,675.62 = 9,320.28/x
  3. Step 3: Cross multiply
    17,111.64x = 25,675.62 × 9,320.28
  4. Step 4: Simplify right side
    17,111.64x = 239,303,967.57
  5. Step 5: Solve for x
    x = 239,303,967.57/17,111.64
  6. Step 6: Final answer
    x = 13,984.86

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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.