Home / 13,227.31-19,840.32-4,908.95

Finding the Fourth Proportional to 13,227.31, 19,840.32 and 4,908.95

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Solution

The fourth proportional to 13,227.31, 19,840.32 and 4,908.95 is: 7,363.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,227.31 : 19,840.32 = 4,908.95 : x
  2. Step 2: Convert to fraction form
    13,227.31/19,840.32 = 4,908.95/x
  3. Step 3: Cross multiply
    13,227.31x = 19,840.32 × 4,908.95
  4. Step 4: Simplify right side
    13,227.31x = 97,395,039.66
  5. Step 5: Solve for x
    x = 97,395,039.66/13,227.31
  6. Step 6: Final answer
    x = 7,363.18

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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.