Home / 12,410.54-18,622.65-5,484.86

Finding the Fourth Proportional to 12,410.54, 18,622.65 and 5,484.86

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Solution

The fourth proportional to 12,410.54, 18,622.65 and 5,484.86 is: 8,230.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,410.54 : 18,622.65 = 5,484.86 : x
  2. Step 2: Convert to fraction form
    12,410.54/18,622.65 = 5,484.86/x
  3. Step 3: Cross multiply
    12,410.54x = 18,622.65 × 5,484.86
  4. Step 4: Simplify right side
    12,410.54x = 102,142,628.08
  5. Step 5: Solve for x
    x = 102,142,628.08/12,410.54
  6. Step 6: Final answer
    x = 8,230.31

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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.