Home / 13,024.50-19,539.99-3,790.50

Finding the Fourth Proportional to 13,024.50, 19,539.99 and 3,790.50

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Solution

The fourth proportional to 13,024.50, 19,539.99 and 3,790.50 is: 5,686.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,024.50 : 19,539.99 = 3,790.50 : x
  2. Step 2: Convert to fraction form
    13,024.50/19,539.99 = 3,790.50/x
  3. Step 3: Cross multiply
    13,024.50x = 19,539.99 × 3,790.50
  4. Step 4: Simplify right side
    13,024.50x = 74,066,332.10
  5. Step 5: Solve for x
    x = 74,066,332.10/13,024.50
  6. Step 6: Final answer
    x = 5,686.69

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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.