Home / 13,697.61-20,552.28-4,338.39

Finding the Fourth Proportional to 13,697.61, 20,552.28 and 4,338.39

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Solution

The fourth proportional to 13,697.61, 20,552.28 and 4,338.39 is: 6,509.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,697.61 : 20,552.28 = 4,338.39 : x
  2. Step 2: Convert to fraction form
    13,697.61/20,552.28 = 4,338.39/x
  3. Step 3: Cross multiply
    13,697.61x = 20,552.28 × 4,338.39
  4. Step 4: Simplify right side
    13,697.61x = 89,163,806.03
  5. Step 5: Solve for x
    x = 89,163,806.03/13,697.61
  6. Step 6: Final answer
    x = 6,509.44

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1.5x scale

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.