Home / 12,929.08-19,388.13-4,611.19

Finding the Fourth Proportional to 12,929.08, 19,388.13 and 4,611.19

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Solution

The fourth proportional to 12,929.08, 19,388.13 and 4,611.19 is: 6,914.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,929.08 : 19,388.13 = 4,611.19 : x
  2. Step 2: Convert to fraction form
    12,929.08/19,388.13 = 4,611.19/x
  3. Step 3: Cross multiply
    12,929.08x = 19,388.13 × 4,611.19
  4. Step 4: Simplify right side
    12,929.08x = 89,402,351.17
  5. Step 5: Solve for x
    x = 89,402,351.17/12,929.08
  6. Step 6: Final answer
    x = 6,914.83

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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.