Home / 12,823.53-19,208.30-10,868.87

Finding the Fourth Proportional to 12,823.53, 19,208.30 and 10,868.87

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Solution

The fourth proportional to 12,823.53, 19,208.30 and 10,868.87 is: 16,280.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,823.53 : 19,208.30 = 10,868.87 : x
  2. Step 2: Convert to fraction form
    12,823.53/19,208.30 = 10,868.87/x
  3. Step 3: Cross multiply
    12,823.53x = 19,208.30 × 10,868.87
  4. Step 4: Simplify right side
    12,823.53x = 208,772,365.24
  5. Step 5: Solve for x
    x = 208,772,365.24/12,823.53
  6. Step 6: Final answer
    x = 16,280.41

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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.