Home / 12,899.44-17,787.71-9,549.28

Finding the Fourth Proportional to 12,899.44, 17,787.71 and 9,549.28

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Solution

The fourth proportional to 12,899.44, 17,787.71 and 9,549.28 is: 13,168.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,899.44 : 17,787.71 = 9,549.28 : x
  2. Step 2: Convert to fraction form
    12,899.44/17,787.71 = 9,549.28/x
  3. Step 3: Cross multiply
    12,899.44x = 17,787.71 × 9,549.28
  4. Step 4: Simplify right side
    12,899.44x = 169,859,823.35
  5. Step 5: Solve for x
    x = 169,859,823.35/12,899.44
  6. Step 6: Final answer
    x = 13,168.00

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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.