Home / 13,266.25-18,304.99-9,737.89

Finding the Fourth Proportional to 13,266.25, 18,304.99 and 9,737.89

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Solution

The fourth proportional to 13,266.25, 18,304.99 and 9,737.89 is: 13,436.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,266.25 : 18,304.99 = 9,737.89 : x
  2. Step 2: Convert to fraction form
    13,266.25/18,304.99 = 9,737.89/x
  3. Step 3: Cross multiply
    13,266.25x = 18,304.99 × 9,737.89
  4. Step 4: Simplify right side
    13,266.25x = 178,251,979.07
  5. Step 5: Solve for x
    x = 178,251,979.07/13,266.25
  6. Step 6: Final answer
    x = 13,436.50

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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.