Home / 13,202.04-19,806.70-5,306.96

Finding the Fourth Proportional to 13,202.04, 19,806.70 and 5,306.96

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Solution

The fourth proportional to 13,202.04, 19,806.70 and 5,306.96 is: 7,961.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,202.04 : 19,806.70 = 5,306.96 : x
  2. Step 2: Convert to fraction form
    13,202.04/19,806.70 = 5,306.96/x
  3. Step 3: Cross multiply
    13,202.04x = 19,806.70 × 5,306.96
  4. Step 4: Simplify right side
    13,202.04x = 105,113,364.63
  5. Step 5: Solve for x
    x = 105,113,364.63/13,202.04
  6. Step 6: Final answer
    x = 7,961.90

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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.