Home / 12,436.98-18,637.25-9,302.28

Finding the Fourth Proportional to 12,436.98, 18,637.25 and 9,302.28

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Solution

The fourth proportional to 12,436.98, 18,637.25 and 9,302.28 is: 13,939.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,436.98 : 18,637.25 = 9,302.28 : x
  2. Step 2: Convert to fraction form
    12,436.98/18,637.25 = 9,302.28/x
  3. Step 3: Cross multiply
    12,436.98x = 18,637.25 × 9,302.28
  4. Step 4: Simplify right side
    12,436.98x = 173,368,871.42
  5. Step 5: Solve for x
    x = 173,368,871.42/12,436.98
  6. Step 6: Final answer
    x = 13,939.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.