Home / 13,519.06-20,280.53-4,159.86

Finding the Fourth Proportional to 13,519.06, 20,280.53 and 4,159.86

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Solution

The fourth proportional to 13,519.06, 20,280.53 and 4,159.86 is: 6,240.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,519.06 : 20,280.53 = 4,159.86 : x
  2. Step 2: Convert to fraction form
    13,519.06/20,280.53 = 4,159.86/x
  3. Step 3: Cross multiply
    13,519.06x = 20,280.53 × 4,159.86
  4. Step 4: Simplify right side
    13,519.06x = 84,364,165.53
  5. Step 5: Solve for x
    x = 84,364,165.53/13,519.06
  6. Step 6: Final answer
    x = 6,240.39

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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.