Home / 10,859.53-16,316.63-6,912.60

Finding the Fourth Proportional to 10,859.53, 16,316.63 and 6,912.60

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Solution

The fourth proportional to 10,859.53, 16,316.63 and 6,912.60 is: 10,386.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,859.53 : 16,316.63 = 6,912.60 : x
  2. Step 2: Convert to fraction form
    10,859.53/16,316.63 = 6,912.60/x
  3. Step 3: Cross multiply
    10,859.53x = 16,316.63 × 6,912.60
  4. Step 4: Simplify right side
    10,859.53x = 112,790,336.54
  5. Step 5: Solve for x
    x = 112,790,336.54/10,859.53
  6. Step 6: Final answer
    x = 10,386.30

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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.