Home / 15,844.92-21,868.44-9,038.95

Finding the Fourth Proportional to 15,844.92, 21,868.44 and 9,038.95

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Solution

The fourth proportional to 15,844.92, 21,868.44 and 9,038.95 is: 12,475.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,844.92 : 21,868.44 = 9,038.95 : x
  2. Step 2: Convert to fraction form
    15,844.92/21,868.44 = 9,038.95/x
  3. Step 3: Cross multiply
    15,844.92x = 21,868.44 × 9,038.95
  4. Step 4: Simplify right side
    15,844.92x = 197,667,735.74
  5. Step 5: Solve for x
    x = 197,667,735.74/15,844.92
  6. Step 6: Final answer
    x = 12,475.15

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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.