Home / 10,988.76-16,485.22-4,415.46

Finding the Fourth Proportional to 10,988.76, 16,485.22 and 4,415.46

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Solution

The fourth proportional to 10,988.76, 16,485.22 and 4,415.46 is: 6,624.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,988.76 : 16,485.22 = 4,415.46 : x
  2. Step 2: Convert to fraction form
    10,988.76/16,485.22 = 4,415.46/x
  3. Step 3: Cross multiply
    10,988.76x = 16,485.22 × 4,415.46
  4. Step 4: Simplify right side
    10,988.76x = 72,789,829.50
  5. Step 5: Solve for x
    x = 72,789,829.50/10,988.76
  6. Step 6: Final answer
    x = 6,624.03

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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.