Home / 13,659.78-20,483.34-4,297.50

Finding the Fourth Proportional to 13,659.78, 20,483.34 and 4,297.50

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Solution

The fourth proportional to 13,659.78, 20,483.34 and 4,297.50 is: 6,444.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,659.78 : 20,483.34 = 4,297.50 : x
  2. Step 2: Convert to fraction form
    13,659.78/20,483.34 = 4,297.50/x
  3. Step 3: Cross multiply
    13,659.78x = 20,483.34 × 4,297.50
  4. Step 4: Simplify right side
    13,659.78x = 88,027,153.65
  5. Step 5: Solve for x
    x = 88,027,153.65/13,659.78
  6. Step 6: Final answer
    x = 6,444.26

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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.