Home / 12,306.16-18,404.34-10,928.44

Finding the Fourth Proportional to 12,306.16, 18,404.34 and 10,928.44

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Solution

The fourth proportional to 12,306.16, 18,404.34 and 10,928.44 is: 16,343.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,306.16 : 18,404.34 = 10,928.44 : x
  2. Step 2: Convert to fraction form
    12,306.16/18,404.34 = 10,928.44/x
  3. Step 3: Cross multiply
    12,306.16x = 18,404.34 × 10,928.44
  4. Step 4: Simplify right side
    12,306.16x = 201,130,725.43
  5. Step 5: Solve for x
    x = 201,130,725.43/12,306.16
  6. Step 6: Final answer
    x = 16,343.91

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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.