Home / 10,940.60-16,411.13-3,921.07

Finding the Fourth Proportional to 10,940.60, 16,411.13 and 3,921.07

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Solution

The fourth proportional to 10,940.60, 16,411.13 and 3,921.07 is: 5,881.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,940.60 : 16,411.13 = 3,921.07 : x
  2. Step 2: Convert to fraction form
    10,940.60/16,411.13 = 3,921.07/x
  3. Step 3: Cross multiply
    10,940.60x = 16,411.13 × 3,921.07
  4. Step 4: Simplify right side
    10,940.60x = 64,349,189.51
  5. Step 5: Solve for x
    x = 64,349,189.51/10,940.60
  6. Step 6: Final answer
    x = 5,881.69

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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.