Home / 13,045.50-19,572.30-3,811.50

Finding the Fourth Proportional to 13,045.50, 19,572.30 and 3,811.50

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Solution

The fourth proportional to 13,045.50, 19,572.30 and 3,811.50 is: 5,718.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,045.50 : 19,572.30 = 3,811.50 : x
  2. Step 2: Convert to fraction form
    13,045.50/19,572.30 = 3,811.50/x
  3. Step 3: Cross multiply
    13,045.50x = 19,572.30 × 3,811.50
  4. Step 4: Simplify right side
    13,045.50x = 74,599,821.45
  5. Step 5: Solve for x
    x = 74,599,821.45/13,045.50
  6. Step 6: Final answer
    x = 5,718.43

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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.