Home / 13,510.69-20,268.75-4,744.45

Finding the Fourth Proportional to 13,510.69, 20,268.75 and 4,744.45

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Solution

The fourth proportional to 13,510.69, 20,268.75 and 4,744.45 is: 7,117.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,510.69 : 20,268.75 = 4,744.45 : x
  2. Step 2: Convert to fraction form
    13,510.69/20,268.75 = 4,744.45/x
  3. Step 3: Cross multiply
    13,510.69x = 20,268.75 × 4,744.45
  4. Step 4: Simplify right side
    13,510.69x = 96,164,070.94
  5. Step 5: Solve for x
    x = 96,164,070.94/13,510.69
  6. Step 6: Final answer
    x = 7,117.63

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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.