Home / 12,763.64-19,140.22-4,869.03

Finding the Fourth Proportional to 12,763.64, 19,140.22 and 4,869.03

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Solution

The fourth proportional to 12,763.64, 19,140.22 and 4,869.03 is: 7,301.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,763.64 : 19,140.22 = 4,869.03 : x
  2. Step 2: Convert to fraction form
    12,763.64/19,140.22 = 4,869.03/x
  3. Step 3: Cross multiply
    12,763.64x = 19,140.22 × 4,869.03
  4. Step 4: Simplify right side
    12,763.64x = 93,194,383.25
  5. Step 5: Solve for x
    x = 93,194,383.25/12,763.64
  6. Step 6: Final answer
    x = 7,301.55

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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.