Home / 12,967.13-19,445.80-4,199.69

Finding the Fourth Proportional to 12,967.13, 19,445.80 and 4,199.69

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Solution

The fourth proportional to 12,967.13, 19,445.80 and 4,199.69 is: 6,297.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,967.13 : 19,445.80 = 4,199.69 : x
  2. Step 2: Convert to fraction form
    12,967.13/19,445.80 = 4,199.69/x
  3. Step 3: Cross multiply
    12,967.13x = 19,445.80 × 4,199.69
  4. Step 4: Simplify right side
    12,967.13x = 81,666,331.80
  5. Step 5: Solve for x
    x = 81,666,331.80/12,967.13
  6. Step 6: Final answer
    x = 6,297.95

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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.