Home / 12,583.91-18,838.95-8,822.65

Finding the Fourth Proportional to 12,583.91, 18,838.95 and 8,822.65

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Solution

The fourth proportional to 12,583.91, 18,838.95 and 8,822.65 is: 13,208.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,583.91 : 18,838.95 = 8,822.65 : x
  2. Step 2: Convert to fraction form
    12,583.91/18,838.95 = 8,822.65/x
  3. Step 3: Cross multiply
    12,583.91x = 18,838.95 × 8,822.65
  4. Step 4: Simplify right side
    12,583.91x = 166,209,438.81
  5. Step 5: Solve for x
    x = 166,209,438.81/12,583.91
  6. Step 6: Final answer
    x = 13,208.10

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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.