Home / 13,045.41-19,564.07-4,278.38

Finding the Fourth Proportional to 13,045.41, 19,564.07 and 4,278.38

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Solution

The fourth proportional to 13,045.41, 19,564.07 and 4,278.38 is: 6,416.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,045.41 : 19,564.07 = 4,278.38 : x
  2. Step 2: Convert to fraction form
    13,045.41/19,564.07 = 4,278.38/x
  3. Step 3: Cross multiply
    13,045.41x = 19,564.07 × 4,278.38
  4. Step 4: Simplify right side
    13,045.41x = 83,702,406.59
  5. Step 5: Solve for x
    x = 83,702,406.59/13,045.41
  6. Step 6: Final answer
    x = 6,416.23

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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.