Home / 12,230.35-18,345.69-3,465.25

Finding the Fourth Proportional to 12,230.35, 18,345.69 and 3,465.25

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Solution

The fourth proportional to 12,230.35, 18,345.69 and 3,465.25 is: 5,197.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,230.35 : 18,345.69 = 3,465.25 : x
  2. Step 2: Convert to fraction form
    12,230.35/18,345.69 = 3,465.25/x
  3. Step 3: Cross multiply
    12,230.35x = 18,345.69 × 3,465.25
  4. Step 4: Simplify right side
    12,230.35x = 63,572,356.41
  5. Step 5: Solve for x
    x = 63,572,356.41/12,230.35
  6. Step 6: Final answer
    x = 5,197.92

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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.