Home / 10,900.32-16,352.64-4,329.60

Finding the Fourth Proportional to 10,900.32, 16,352.64 and 4,329.60

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Solution

The fourth proportional to 10,900.32, 16,352.64 and 4,329.60 is: 6,495.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,900.32 : 16,352.64 = 4,329.60 : x
  2. Step 2: Convert to fraction form
    10,900.32/16,352.64 = 4,329.60/x
  3. Step 3: Cross multiply
    10,900.32x = 16,352.64 × 4,329.60
  4. Step 4: Simplify right side
    10,900.32x = 70,800,390.14
  5. Step 5: Solve for x
    x = 70,800,390.14/10,900.32
  6. Step 6: Final answer
    x = 6,495.26

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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.