Home / 12,995.13-19,501.33-4,787.13

Finding the Fourth Proportional to 12,995.13, 19,501.33 and 4,787.13

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Solution

The fourth proportional to 12,995.13, 19,501.33 and 4,787.13 is: 7,183.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,995.13 : 19,501.33 = 4,787.13 : x
  2. Step 2: Convert to fraction form
    12,995.13/19,501.33 = 4,787.13/x
  3. Step 3: Cross multiply
    12,995.13x = 19,501.33 × 4,787.13
  4. Step 4: Simplify right side
    12,995.13x = 93,355,292.41
  5. Step 5: Solve for x
    x = 93,355,292.41/12,995.13
  6. Step 6: Final answer
    x = 7,183.87

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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.