Home / 13,343.68-20,008.72-4,455.82

Finding the Fourth Proportional to 13,343.68, 20,008.72 and 4,455.82

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Solution

The fourth proportional to 13,343.68, 20,008.72 and 4,455.82 is: 6,681.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,343.68 : 20,008.72 = 4,455.82 : x
  2. Step 2: Convert to fraction form
    13,343.68/20,008.72 = 4,455.82/x
  3. Step 3: Cross multiply
    13,343.68x = 20,008.72 × 4,455.82
  4. Step 4: Simplify right side
    13,343.68x = 89,155,254.75
  5. Step 5: Solve for x
    x = 89,155,254.75/13,343.68
  6. Step 6: Final answer
    x = 6,681.46

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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.