Home / 12,824.08-19,239.32-3,590

Finding the Fourth Proportional to 12,824.08, 19,239.32 and 3,590

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Solution

The fourth proportional to 12,824.08, 19,239.32 and 3,590 is: 5,385.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,824.08 : 19,239.32 = 3,590 : x
  2. Step 2: Convert to fraction form
    12,824.08/19,239.32 = 3,590/x
  3. Step 3: Cross multiply
    12,824.08x = 19,239.32 × 3,590
  4. Step 4: Simplify right side
    12,824.08x = 69,069,158.80
  5. Step 5: Solve for x
    x = 69,069,158.80/12,824.08
  6. Step 6: Final answer
    x = 5,385.90

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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.