Home / 12,859.72-19,293.23-4,095.32

Finding the Fourth Proportional to 12,859.72, 19,293.23 and 4,095.32

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Solution

The fourth proportional to 12,859.72, 19,293.23 and 4,095.32 is: 6,144.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,859.72 : 19,293.23 = 4,095.32 : x
  2. Step 2: Convert to fraction form
    12,859.72/19,293.23 = 4,095.32/x
  3. Step 3: Cross multiply
    12,859.72x = 19,293.23 × 4,095.32
  4. Step 4: Simplify right side
    12,859.72x = 79,011,864.46
  5. Step 5: Solve for x
    x = 79,011,864.46/12,859.72
  6. Step 6: Final answer
    x = 6,144.14

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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.