Home / 12,898.32-19,344.32-5,397.82

Finding the Fourth Proportional to 12,898.32, 19,344.32 and 5,397.82

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Solution

The fourth proportional to 12,898.32, 19,344.32 and 5,397.82 is: 8,095.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,898.32 : 19,344.32 = 5,397.82 : x
  2. Step 2: Convert to fraction form
    12,898.32/19,344.32 = 5,397.82/x
  3. Step 3: Cross multiply
    12,898.32x = 19,344.32 × 5,397.82
  4. Step 4: Simplify right side
    12,898.32x = 104,417,157.38
  5. Step 5: Solve for x
    x = 104,417,157.38/12,898.32
  6. Step 6: Final answer
    x = 8,095.41

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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.