Home / 10,013.79-15,020.72-9,404.84

Finding the Fourth Proportional to 10,013.79, 15,020.72 and 9,404.84

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Solution

The fourth proportional to 10,013.79, 15,020.72 and 9,404.84 is: 14,107.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,013.79 : 15,020.72 = 9,404.84 : x
  2. Step 2: Convert to fraction form
    10,013.79/15,020.72 = 9,404.84/x
  3. Step 3: Cross multiply
    10,013.79x = 15,020.72 × 9,404.84
  4. Step 4: Simplify right side
    10,013.79x = 141,267,546.98
  5. Step 5: Solve for x
    x = 141,267,546.98/10,013.79
  6. Step 6: Final answer
    x = 14,107.30

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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.