Home / 17,381.25-26,076.78-4,901.39

Finding the Fourth Proportional to 17,381.25, 26,076.78 and 4,901.39

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Solution

The fourth proportional to 17,381.25, 26,076.78 and 4,901.39 is: 7,353.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,381.25 : 26,076.78 = 4,901.39 : x
  2. Step 2: Convert to fraction form
    17,381.25/26,076.78 = 4,901.39/x
  3. Step 3: Cross multiply
    17,381.25x = 26,076.78 × 4,901.39
  4. Step 4: Simplify right side
    17,381.25x = 127,812,533.92
  5. Step 5: Solve for x
    x = 127,812,533.92/17,381.25
  6. Step 6: Final answer
    x = 7,353.47

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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.