Home / 10,688.09-16,040.77-5,495.45

Finding the Fourth Proportional to 10,688.09, 16,040.77 and 5,495.45

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Solution

The fourth proportional to 10,688.09, 16,040.77 and 5,495.45 is: 8,247.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,688.09 : 16,040.77 = 5,495.45 : x
  2. Step 2: Convert to fraction form
    10,688.09/16,040.77 = 5,495.45/x
  3. Step 3: Cross multiply
    10,688.09x = 16,040.77 × 5,495.45
  4. Step 4: Simplify right side
    10,688.09x = 88,151,155.55
  5. Step 5: Solve for x
    x = 88,151,155.55/10,688.09
  6. Step 6: Final answer
    x = 8,247.61

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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.