Home / 13,557.68-20,332.59-4,672.64

Finding the Fourth Proportional to 13,557.68, 20,332.59 and 4,672.64

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Solution

The fourth proportional to 13,557.68, 20,332.59 and 4,672.64 is: 7,007.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,557.68 : 20,332.59 = 4,672.64 : x
  2. Step 2: Convert to fraction form
    13,557.68/20,332.59 = 4,672.64/x
  3. Step 3: Cross multiply
    13,557.68x = 20,332.59 × 4,672.64
  4. Step 4: Simplify right side
    13,557.68x = 95,006,771.67
  5. Step 5: Solve for x
    x = 95,006,771.67/13,557.68
  6. Step 6: Final answer
    x = 7,007.60

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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.