Home / 13,706.24-20,560.12-4,345.60

Finding the Fourth Proportional to 13,706.24, 20,560.12 and 4,345.60

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Solution

The fourth proportional to 13,706.24, 20,560.12 and 4,345.60 is: 6,518.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,706.24 : 20,560.12 = 4,345.60 : x
  2. Step 2: Convert to fraction form
    13,706.24/20,560.12 = 4,345.60/x
  3. Step 3: Cross multiply
    13,706.24x = 20,560.12 × 4,345.60
  4. Step 4: Simplify right side
    13,706.24x = 89,345,954.67
  5. Step 5: Solve for x
    x = 89,345,954.67/13,706.24
  6. Step 6: Final answer
    x = 6,518.63

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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.