Home / 12,582.34-18,868.95-5,083.56

Finding the Fourth Proportional to 12,582.34, 18,868.95 and 5,083.56

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Solution

The fourth proportional to 12,582.34, 18,868.95 and 5,083.56 is: 7,623.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,582.34 : 18,868.95 = 5,083.56 : x
  2. Step 2: Convert to fraction form
    12,582.34/18,868.95 = 5,083.56/x
  3. Step 3: Cross multiply
    12,582.34x = 18,868.95 × 5,083.56
  4. Step 4: Simplify right side
    12,582.34x = 95,921,439.46
  5. Step 5: Solve for x
    x = 95,921,439.46/12,582.34
  6. Step 6: Final answer
    x = 7,623.50

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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.