Home / 15,717.87-23,670.38-14,175.63

Finding the Fourth Proportional to 15,717.87, 23,670.38 and 14,175.63

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Solution

The fourth proportional to 15,717.87, 23,670.38 and 14,175.63 is: 21,347.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,717.87 : 23,670.38 = 14,175.63 : x
  2. Step 2: Convert to fraction form
    15,717.87/23,670.38 = 14,175.63/x
  3. Step 3: Cross multiply
    15,717.87x = 23,670.38 × 14,175.63
  4. Step 4: Simplify right side
    15,717.87x = 335,542,584.28
  5. Step 5: Solve for x
    x = 335,542,584.28/15,717.87
  6. Step 6: Final answer
    x = 21,347.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.