Home / 9,193.73-12,688.28-5,418.06

Finding the Fourth Proportional to 9,193.73, 12,688.28 and 5,418.06

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Solution

The fourth proportional to 9,193.73, 12,688.28 and 5,418.06 is: 7,477.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,193.73 : 12,688.28 = 5,418.06 : x
  2. Step 2: Convert to fraction form
    9,193.73/12,688.28 = 5,418.06/x
  3. Step 3: Cross multiply
    9,193.73x = 12,688.28 × 5,418.06
  4. Step 4: Simplify right side
    9,193.73x = 68,745,835.25
  5. Step 5: Solve for x
    x = 68,745,835.25/9,193.73
  6. Step 6: Final answer
    x = 7,477.47

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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.