Home / 12,560.64-17,315.18-9,571.30

Finding the Fourth Proportional to 12,560.64, 17,315.18 and 9,571.30

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Solution

The fourth proportional to 12,560.64, 17,315.18 and 9,571.30 is: 13,194.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,560.64 : 17,315.18 = 9,571.30 : x
  2. Step 2: Convert to fraction form
    12,560.64/17,315.18 = 9,571.30/x
  3. Step 3: Cross multiply
    12,560.64x = 17,315.18 × 9,571.30
  4. Step 4: Simplify right side
    12,560.64x = 165,728,782.33
  5. Step 5: Solve for x
    x = 165,728,782.33/12,560.64
  6. Step 6: Final answer
    x = 13,194.29

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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.