Home / 13,065.56-19,600.78-4,306.64

Finding the Fourth Proportional to 13,065.56, 19,600.78 and 4,306.64

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Solution

The fourth proportional to 13,065.56, 19,600.78 and 4,306.64 is: 6,460.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,065.56 : 19,600.78 = 4,306.64 : x
  2. Step 2: Convert to fraction form
    13,065.56/19,600.78 = 4,306.64/x
  3. Step 3: Cross multiply
    13,065.56x = 19,600.78 × 4,306.64
  4. Step 4: Simplify right side
    13,065.56x = 84,413,503.18
  5. Step 5: Solve for x
    x = 84,413,503.18/13,065.56
  6. Step 6: Final answer
    x = 6,460.76

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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.