Home / 14,188.80-21,254.40-8,025.60

Finding the Fourth Proportional to 14,188.80, 21,254.40 and 8,025.60

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Solution

The fourth proportional to 14,188.80, 21,254.40 and 8,025.60 is: 12,022.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,188.80 : 21,254.40 = 8,025.60 : x
  2. Step 2: Convert to fraction form
    14,188.80/21,254.40 = 8,025.60/x
  3. Step 3: Cross multiply
    14,188.80x = 21,254.40 × 8,025.60
  4. Step 4: Simplify right side
    14,188.80x = 170,579,312.64
  5. Step 5: Solve for x
    x = 170,579,312.64/14,188.80
  6. Step 6: Final answer
    x = 12,022.11

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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.