Home / 12,322.90-18,497.51-5,306.39

Finding the Fourth Proportional to 12,322.90, 18,497.51 and 5,306.39

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Solution

The fourth proportional to 12,322.90, 18,497.51 and 5,306.39 is: 7,965.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,322.90 : 18,497.51 = 5,306.39 : x
  2. Step 2: Convert to fraction form
    12,322.90/18,497.51 = 5,306.39/x
  3. Step 3: Cross multiply
    12,322.90x = 18,497.51 × 5,306.39
  4. Step 4: Simplify right side
    12,322.90x = 98,154,972.33
  5. Step 5: Solve for x
    x = 98,154,972.33/12,322.90
  6. Step 6: Final answer
    x = 7,965.25

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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.