Home / 14,817.42-20,436.48-8,847.78

Finding the Fourth Proportional to 14,817.42, 20,436.48 and 8,847.78

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Solution

The fourth proportional to 14,817.42, 20,436.48 and 8,847.78 is: 12,203.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,817.42 : 20,436.48 = 8,847.78 : x
  2. Step 2: Convert to fraction form
    14,817.42/20,436.48 = 8,847.78/x
  3. Step 3: Cross multiply
    14,817.42x = 20,436.48 × 8,847.78
  4. Step 4: Simplify right side
    14,817.42x = 180,817,479.01
  5. Step 5: Solve for x
    x = 180,817,479.01/14,817.42
  6. Step 6: Final answer
    x = 12,203.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.