Home / 12,476.43-17,209.56-9,485.71

Finding the Fourth Proportional to 12,476.43, 17,209.56 and 9,485.71

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Solution

The fourth proportional to 12,476.43, 17,209.56 and 9,485.71 is: 13,084.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,476.43 : 17,209.56 = 9,485.71 : x
  2. Step 2: Convert to fraction form
    12,476.43/17,209.56 = 9,485.71/x
  3. Step 3: Cross multiply
    12,476.43x = 17,209.56 × 9,485.71
  4. Step 4: Simplify right side
    12,476.43x = 163,244,887.94
  5. Step 5: Solve for x
    x = 163,244,887.94/12,476.43
  6. Step 6: Final answer
    x = 13,084.26

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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.