Home / 12,306.53-18,459.14-3,541.10

Finding the Fourth Proportional to 12,306.53, 18,459.14 and 3,541.10

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Solution

The fourth proportional to 12,306.53, 18,459.14 and 3,541.10 is: 5,311.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,306.53 : 18,459.14 = 3,541.10 : x
  2. Step 2: Convert to fraction form
    12,306.53/18,459.14 = 3,541.10/x
  3. Step 3: Cross multiply
    12,306.53x = 18,459.14 × 3,541.10
  4. Step 4: Simplify right side
    12,306.53x = 65,365,660.65
  5. Step 5: Solve for x
    x = 65,365,660.65/12,306.53
  6. Step 6: Final answer
    x = 5,311.46

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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.