Home / 13,665.24-20,498.04-3,804.28

Finding the Fourth Proportional to 13,665.24, 20,498.04 and 3,804.28

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Solution

The fourth proportional to 13,665.24, 20,498.04 and 3,804.28 is: 5,706.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,665.24 : 20,498.04 = 3,804.28 : x
  2. Step 2: Convert to fraction form
    13,665.24/20,498.04 = 3,804.28/x
  3. Step 3: Cross multiply
    13,665.24x = 20,498.04 × 3,804.28
  4. Step 4: Simplify right side
    13,665.24x = 77,980,283.61
  5. Step 5: Solve for x
    x = 77,980,283.61/13,665.24
  6. Step 6: Final answer
    x = 5,706.47

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1.5x scale

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.