Home / 10,306.72-15,461.21-3,285.10

Finding the Fourth Proportional to 10,306.72, 15,461.21 and 3,285.10

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Solution

The fourth proportional to 10,306.72, 15,461.21 and 3,285.10 is: 4,928.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,306.72 : 15,461.21 = 3,285.10 : x
  2. Step 2: Convert to fraction form
    10,306.72/15,461.21 = 3,285.10/x
  3. Step 3: Cross multiply
    10,306.72x = 15,461.21 × 3,285.10
  4. Step 4: Simplify right side
    10,306.72x = 50,791,620.97
  5. Step 5: Solve for x
    x = 50,791,620.97/10,306.72
  6. Step 6: Final answer
    x = 4,928.01

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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.