Home / 17,157.80-23,664.38-11,490.72

Finding the Fourth Proportional to 17,157.80, 23,664.38 and 11,490.72

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Solution

The fourth proportional to 17,157.80, 23,664.38 and 11,490.72 is: 15,848.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,157.80 : 23,664.38 = 11,490.72 : x
  2. Step 2: Convert to fraction form
    17,157.80/23,664.38 = 11,490.72/x
  3. Step 3: Cross multiply
    17,157.80x = 23,664.38 × 11,490.72
  4. Step 4: Simplify right side
    17,157.80x = 271,920,707.10
  5. Step 5: Solve for x
    x = 271,920,707.10/17,157.80
  6. Step 6: Final answer
    x = 15,848.23

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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.