Home / 8,696.76-13,045.26-2,123.10

Finding the Fourth Proportional to 8,696.76, 13,045.26 and 2,123.10

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Solution

The fourth proportional to 8,696.76, 13,045.26 and 2,123.10 is: 3,184.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,696.76 : 13,045.26 = 2,123.10 : x
  2. Step 2: Convert to fraction form
    8,696.76/13,045.26 = 2,123.10/x
  3. Step 3: Cross multiply
    8,696.76x = 13,045.26 × 2,123.10
  4. Step 4: Simplify right side
    8,696.76x = 27,696,391.51
  5. Step 5: Solve for x
    x = 27,696,391.51/8,696.76
  6. Step 6: Final answer
    x = 3,184.68

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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.