Home / 10,806.45-14,912.55-6,614.70

Finding the Fourth Proportional to 10,806.45, 14,912.55 and 6,614.70

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Solution

The fourth proportional to 10,806.45, 14,912.55 and 6,614.70 is: 9,128.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,806.45 : 14,912.55 = 6,614.70 : x
  2. Step 2: Convert to fraction form
    10,806.45/14,912.55 = 6,614.70/x
  3. Step 3: Cross multiply
    10,806.45x = 14,912.55 × 6,614.70
  4. Step 4: Simplify right side
    10,806.45x = 98,642,044.49
  5. Step 5: Solve for x
    x = 98,642,044.49/10,806.45
  6. Step 6: Final answer
    x = 9,128.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.