Home / 14,829.88-20,356.21-13,113.68

Finding the Fourth Proportional to 14,829.88, 20,356.21 and 13,113.68

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Solution

The fourth proportional to 14,829.88, 20,356.21 and 13,113.68 is: 18,000.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,829.88 : 20,356.21 = 13,113.68 : x
  2. Step 2: Convert to fraction form
    14,829.88/20,356.21 = 13,113.68/x
  3. Step 3: Cross multiply
    14,829.88x = 20,356.21 × 13,113.68
  4. Step 4: Simplify right side
    14,829.88x = 266,944,823.95
  5. Step 5: Solve for x
    x = 266,944,823.95/14,829.88
  6. Step 6: Final answer
    x = 18,000.47

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These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.