Home / 12,889.08-19,337.04-4,124.16

Finding the Fourth Proportional to 12,889.08, 19,337.04 and 4,124.16

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Solution

The fourth proportional to 12,889.08, 19,337.04 and 4,124.16 is: 6,187.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,889.08 : 19,337.04 = 4,124.16 : x
  2. Step 2: Convert to fraction form
    12,889.08/19,337.04 = 4,124.16/x
  3. Step 3: Cross multiply
    12,889.08x = 19,337.04 × 4,124.16
  4. Step 4: Simplify right side
    12,889.08x = 79,749,046.89
  5. Step 5: Solve for x
    x = 79,749,046.89/12,889.08
  6. Step 6: Final answer
    x = 6,187.33

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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.