Home / 12,622.56-17,397.36-9,473.28

Finding the Fourth Proportional to 12,622.56, 17,397.36 and 9,473.28

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Solution

The fourth proportional to 12,622.56, 17,397.36 and 9,473.28 is: 13,056.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,622.56 : 17,397.36 = 9,473.28 : x
  2. Step 2: Convert to fraction form
    12,622.56/17,397.36 = 9,473.28/x
  3. Step 3: Cross multiply
    12,622.56x = 17,397.36 × 9,473.28
  4. Step 4: Simplify right side
    12,622.56x = 164,810,062.54
  5. Step 5: Solve for x
    x = 164,810,062.54/12,622.56
  6. Step 6: Final answer
    x = 13,056.79

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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.