Home / 13,802.47-20,700.80-4,443.32

Finding the Fourth Proportional to 13,802.47, 20,700.80 and 4,443.32

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Solution

The fourth proportional to 13,802.47, 20,700.80 and 4,443.32 is: 6,664.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,802.47 : 20,700.80 = 4,443.32 : x
  2. Step 2: Convert to fraction form
    13,802.47/20,700.80 = 4,443.32/x
  3. Step 3: Cross multiply
    13,802.47x = 20,700.80 × 4,443.32
  4. Step 4: Simplify right side
    13,802.47x = 91,980,324.85
  5. Step 5: Solve for x
    x = 91,980,324.85/13,802.47
  6. Step 6: Final answer
    x = 6,664.05

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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.