Home / 13,028.50-19,551.48-4,820.50

Finding the Fourth Proportional to 13,028.50, 19,551.48 and 4,820.50

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Solution

The fourth proportional to 13,028.50, 19,551.48 and 4,820.50 is: 7,233.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,028.50 : 19,551.48 = 4,820.50 : x
  2. Step 2: Convert to fraction form
    13,028.50/19,551.48 = 4,820.50/x
  3. Step 3: Cross multiply
    13,028.50x = 19,551.48 × 4,820.50
  4. Step 4: Simplify right side
    13,028.50x = 94,247,909.34
  5. Step 5: Solve for x
    x = 94,247,909.34/13,028.50
  6. Step 6: Final answer
    x = 7,233.98

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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.