Home / 14,943.37-20,622.66-8,980.15

Finding the Fourth Proportional to 14,943.37, 20,622.66 and 8,980.15

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Solution

The fourth proportional to 14,943.37, 20,622.66 and 8,980.15 is: 12,393.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,943.37 : 20,622.66 = 8,980.15 : x
  2. Step 2: Convert to fraction form
    14,943.37/20,622.66 = 8,980.15/x
  3. Step 3: Cross multiply
    14,943.37x = 20,622.66 × 8,980.15
  4. Step 4: Simplify right side
    14,943.37x = 185,194,580.20
  5. Step 5: Solve for x
    x = 185,194,580.20/14,943.37
  6. Step 6: Final answer
    x = 12,393.09

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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.