Home / 12,281.08-18,410.67-5,703.68

Finding the Fourth Proportional to 12,281.08, 18,410.67 and 5,703.68

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Solution

The fourth proportional to 12,281.08, 18,410.67 and 5,703.68 is: 8,550.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,281.08 : 18,410.67 = 5,703.68 : x
  2. Step 2: Convert to fraction form
    12,281.08/18,410.67 = 5,703.68/x
  3. Step 3: Cross multiply
    12,281.08x = 18,410.67 × 5,703.68
  4. Step 4: Simplify right side
    12,281.08x = 105,008,478.21
  5. Step 5: Solve for x
    x = 105,008,478.21/12,281.08
  6. Step 6: Final answer
    x = 8,550.43

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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.