Home / 12,873.30-19,312.38-4,552.35

Finding the Fourth Proportional to 12,873.30, 19,312.38 and 4,552.35

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Solution

The fourth proportional to 12,873.30, 19,312.38 and 4,552.35 is: 6,829.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,873.30 : 19,312.38 = 4,552.35 : x
  2. Step 2: Convert to fraction form
    12,873.30/19,312.38 = 4,552.35/x
  3. Step 3: Cross multiply
    12,873.30x = 19,312.38 × 4,552.35
  4. Step 4: Simplify right side
    12,873.30x = 87,916,713.09
  5. Step 5: Solve for x
    x = 87,916,713.09/12,873.30
  6. Step 6: Final answer
    x = 6,829.38

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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.