Home / 12,564.06-17,316.63-9,414.78

Finding the Fourth Proportional to 12,564.06, 17,316.63 and 9,414.78

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Solution

The fourth proportional to 12,564.06, 17,316.63 and 9,414.78 is: 12,976.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,564.06 : 17,316.63 = 9,414.78 : x
  2. Step 2: Convert to fraction form
    12,564.06/17,316.63 = 9,414.78/x
  3. Step 3: Cross multiply
    12,564.06x = 17,316.63 × 9,414.78
  4. Step 4: Simplify right side
    12,564.06x = 163,032,261.79
  5. Step 5: Solve for x
    x = 163,032,261.79/12,564.06
  6. Step 6: Final answer
    x = 12,976.08

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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.