Home / 12,515.32-17,274.98-7,213.66

Finding the Fourth Proportional to 12,515.32, 17,274.98 and 7,213.66

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Solution

The fourth proportional to 12,515.32, 17,274.98 and 7,213.66 is: 9,957.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,515.32 : 17,274.98 = 7,213.66 : x
  2. Step 2: Convert to fraction form
    12,515.32/17,274.98 = 7,213.66/x
  3. Step 3: Cross multiply
    12,515.32x = 17,274.98 × 7,213.66
  4. Step 4: Simplify right side
    12,515.32x = 124,615,893.45
  5. Step 5: Solve for x
    x = 124,615,893.45/12,515.32
  6. Step 6: Final answer
    x = 9,957.07

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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.