Home / 13,803.58-20,708.43-5,038.47

Finding the Fourth Proportional to 13,803.58, 20,708.43 and 5,038.47

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Solution

The fourth proportional to 13,803.58, 20,708.43 and 5,038.47 is: 7,558.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,803.58 : 20,708.43 = 5,038.47 : x
  2. Step 2: Convert to fraction form
    13,803.58/20,708.43 = 5,038.47/x
  3. Step 3: Cross multiply
    13,803.58x = 20,708.43 × 5,038.47
  4. Step 4: Simplify right side
    13,803.58x = 104,338,784.41
  5. Step 5: Solve for x
    x = 104,338,784.41/13,803.58
  6. Step 6: Final answer
    x = 7,558.82

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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.