Home / 13,642.02-20,465.06-4,874.88

Finding the Fourth Proportional to 13,642.02, 20,465.06 and 4,874.88

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Solution

The fourth proportional to 13,642.02, 20,465.06 and 4,874.88 is: 7,313.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,642.02 : 20,465.06 = 4,874.88 : x
  2. Step 2: Convert to fraction form
    13,642.02/20,465.06 = 4,874.88/x
  3. Step 3: Cross multiply
    13,642.02x = 20,465.06 × 4,874.88
  4. Step 4: Simplify right side
    13,642.02x = 99,764,711.69
  5. Step 5: Solve for x
    x = 99,764,711.69/13,642.02
  6. Step 6: Final answer
    x = 7,313.05

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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.