Home / 18,935.63-26,131.17-10,982.46

Finding the Fourth Proportional to 18,935.63, 26,131.17 and 10,982.46

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Solution

The fourth proportional to 18,935.63, 26,131.17 and 10,982.46 is: 15,155.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,935.63 : 26,131.17 = 10,982.46 : x
  2. Step 2: Convert to fraction form
    18,935.63/26,131.17 = 10,982.46/x
  3. Step 3: Cross multiply
    18,935.63x = 26,131.17 × 10,982.46
  4. Step 4: Simplify right side
    18,935.63x = 286,984,529.28
  5. Step 5: Solve for x
    x = 286,984,529.28/18,935.63
  6. Step 6: Final answer
    x = 15,155.80

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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.