Home / 10,812.06-16,218.09-4,656.06

Finding the Fourth Proportional to 10,812.06, 16,218.09 and 4,656.06

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Solution

The fourth proportional to 10,812.06, 16,218.09 and 4,656.06 is: 6,984.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,812.06 : 16,218.09 = 4,656.06 : x
  2. Step 2: Convert to fraction form
    10,812.06/16,218.09 = 4,656.06/x
  3. Step 3: Cross multiply
    10,812.06x = 16,218.09 × 4,656.06
  4. Step 4: Simplify right side
    10,812.06x = 75,512,400.13
  5. Step 5: Solve for x
    x = 75,512,400.13/10,812.06
  6. Step 6: Final answer
    x = 6,984.09

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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.