Home / 14,988.97-20,687.61-9,326.26

Finding the Fourth Proportional to 14,988.97, 20,687.61 and 9,326.26

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Solution

The fourth proportional to 14,988.97, 20,687.61 and 9,326.26 is: 12,872.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,988.97 : 20,687.61 = 9,326.26 : x
  2. Step 2: Convert to fraction form
    14,988.97/20,687.61 = 9,326.26/x
  3. Step 3: Cross multiply
    14,988.97x = 20,687.61 × 9,326.26
  4. Step 4: Simplify right side
    14,988.97x = 192,938,029.64
  5. Step 5: Solve for x
    x = 192,938,029.64/14,988.97
  6. Step 6: Final answer
    x = 12,872.00

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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.