Home / 10,640.10-16,039.83-9,926.49

Finding the Fourth Proportional to 10,640.10, 16,039.83 and 9,926.49

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Solution

The fourth proportional to 10,640.10, 16,039.83 and 9,926.49 is: 14,964.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,640.10 : 16,039.83 = 9,926.49 : x
  2. Step 2: Convert to fraction form
    10,640.10/16,039.83 = 9,926.49/x
  3. Step 3: Cross multiply
    10,640.10x = 16,039.83 × 9,926.49
  4. Step 4: Simplify right side
    10,640.10x = 159,219,212.10
  5. Step 5: Solve for x
    x = 159,219,212.10/10,640.10
  6. Step 6: Final answer
    x = 14,964.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.