Home / 13,156.31-19,734.66-4,838.28

Finding the Fourth Proportional to 13,156.31, 19,734.66 and 4,838.28

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Solution

The fourth proportional to 13,156.31, 19,734.66 and 4,838.28 is: 7,257.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,156.31 : 19,734.66 = 4,838.28 : x
  2. Step 2: Convert to fraction form
    13,156.31/19,734.66 = 4,838.28/x
  3. Step 3: Cross multiply
    13,156.31x = 19,734.66 × 4,838.28
  4. Step 4: Simplify right side
    13,156.31x = 95,481,810.78
  5. Step 5: Solve for x
    x = 95,481,810.78/13,156.31
  6. Step 6: Final answer
    x = 7,257.49

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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.