Home / 13,803.04-20,704.80-4,569.28

Finding the Fourth Proportional to 13,803.04, 20,704.80 and 4,569.28

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Solution

The fourth proportional to 13,803.04, 20,704.80 and 4,569.28 is: 6,854.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,803.04 : 20,704.80 = 4,569.28 : x
  2. Step 2: Convert to fraction form
    13,803.04/20,704.80 = 4,569.28/x
  3. Step 3: Cross multiply
    13,803.04x = 20,704.80 × 4,569.28
  4. Step 4: Simplify right side
    13,803.04x = 94,606,028.54
  5. Step 5: Solve for x
    x = 94,606,028.54/13,803.04
  6. Step 6: Final answer
    x = 6,854.00

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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.