Home / 12,230.24-18,341.52-5,210.20

Finding the Fourth Proportional to 12,230.24, 18,341.52 and 5,210.20

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Solution

The fourth proportional to 12,230.24, 18,341.52 and 5,210.20 is: 7,813.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,230.24 : 18,341.52 = 5,210.20 : x
  2. Step 2: Convert to fraction form
    12,230.24/18,341.52 = 5,210.20/x
  3. Step 3: Cross multiply
    12,230.24x = 18,341.52 × 5,210.20
  4. Step 4: Simplify right side
    12,230.24x = 95,562,987.50
  5. Step 5: Solve for x
    x = 95,562,987.50/12,230.24
  6. Step 6: Final answer
    x = 7,813.66

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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.