Home / 12,835.63-19,287.29-6,916.92

Finding the Fourth Proportional to 12,835.63, 19,287.29 and 6,916.92

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Solution

The fourth proportional to 12,835.63, 19,287.29 and 6,916.92 is: 10,393.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,835.63 : 19,287.29 = 6,916.92 : x
  2. Step 2: Convert to fraction form
    12,835.63/19,287.29 = 6,916.92/x
  3. Step 3: Cross multiply
    12,835.63x = 19,287.29 × 6,916.92
  4. Step 4: Simplify right side
    12,835.63x = 133,408,641.95
  5. Step 5: Solve for x
    x = 133,408,641.95/12,835.63
  6. Step 6: Final answer
    x = 10,393.62

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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.