Home / 8,962.64-13,376.17-8,729.36

Finding the Fourth Proportional to 8,962.64, 13,376.17 and 8,729.36

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Solution

The fourth proportional to 8,962.64, 13,376.17 and 8,729.36 is: 13,028.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,962.64 : 13,376.17 = 8,729.36 : x
  2. Step 2: Convert to fraction form
    8,962.64/13,376.17 = 8,729.36/x
  3. Step 3: Cross multiply
    8,962.64x = 13,376.17 × 8,729.36
  4. Step 4: Simplify right side
    8,962.64x = 116,765,403.35
  5. Step 5: Solve for x
    x = 116,765,403.35/8,962.64
  6. Step 6: Final answer
    x = 13,028.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.