Home / 12,885.30-19,306.35-6,297.30

Finding the Fourth Proportional to 12,885.30, 19,306.35 and 6,297.30

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Solution

The fourth proportional to 12,885.30, 19,306.35 and 6,297.30 is: 9,435.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,885.30 : 19,306.35 = 6,297.30 : x
  2. Step 2: Convert to fraction form
    12,885.30/19,306.35 = 6,297.30/x
  3. Step 3: Cross multiply
    12,885.30x = 19,306.35 × 6,297.30
  4. Step 4: Simplify right side
    12,885.30x = 121,577,877.86
  5. Step 5: Solve for x
    x = 121,577,877.86/12,885.30
  6. Step 6: Final answer
    x = 9,435.39

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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.