Home / 13,236.05-19,838.69-4,910.76

Finding the Fourth Proportional to 13,236.05, 19,838.69 and 4,910.76

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Solution

The fourth proportional to 13,236.05, 19,838.69 and 4,910.76 is: 7,360.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,236.05 : 19,838.69 = 4,910.76 : x
  2. Step 2: Convert to fraction form
    13,236.05/19,838.69 = 4,910.76/x
  3. Step 3: Cross multiply
    13,236.05x = 19,838.69 × 4,910.76
  4. Step 4: Simplify right side
    13,236.05x = 97,422,995.71
  5. Step 5: Solve for x
    x = 97,422,995.71/13,236.05
  6. Step 6: Final answer
    x = 7,360.43

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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.