Home / 23,171.64-31,976.87-12,561.24

Finding the Fourth Proportional to 23,171.64, 31,976.87 and 12,561.24

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Solution

The fourth proportional to 23,171.64, 31,976.87 and 12,561.24 is: 17,334.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,171.64 : 31,976.87 = 12,561.24 : x
  2. Step 2: Convert to fraction form
    23,171.64/31,976.87 = 12,561.24/x
  3. Step 3: Cross multiply
    23,171.64x = 31,976.87 × 12,561.24
  4. Step 4: Simplify right side
    23,171.64x = 401,669,075.71
  5. Step 5: Solve for x
    x = 401,669,075.71/23,171.64
  6. Step 6: Final answer
    x = 17,334.51

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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.