Home / 12,234.36-18,352.32-5,210.40

Finding the Fourth Proportional to 12,234.36, 18,352.32 and 5,210.40

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Solution

The fourth proportional to 12,234.36, 18,352.32 and 5,210.40 is: 7,815.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,234.36 : 18,352.32 = 5,210.40 : x
  2. Step 2: Convert to fraction form
    12,234.36/18,352.32 = 5,210.40/x
  3. Step 3: Cross multiply
    12,234.36x = 18,352.32 × 5,210.40
  4. Step 4: Simplify right side
    12,234.36x = 95,622,928.13
  5. Step 5: Solve for x
    x = 95,622,928.13/12,234.36
  6. Step 6: Final answer
    x = 7,815.93

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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.