Home / 13,622.83-18,799.52-7,654.49

Finding the Fourth Proportional to 13,622.83, 18,799.52 and 7,654.49

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Solution

The fourth proportional to 13,622.83, 18,799.52 and 7,654.49 is: 10,563.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,622.83 : 18,799.52 = 7,654.49 : x
  2. Step 2: Convert to fraction form
    13,622.83/18,799.52 = 7,654.49/x
  3. Step 3: Cross multiply
    13,622.83x = 18,799.52 × 7,654.49
  4. Step 4: Simplify right side
    13,622.83x = 143,900,737.84
  5. Step 5: Solve for x
    x = 143,900,737.84/13,622.83
  6. Step 6: Final answer
    x = 10,563.20

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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.