Home / 13,216.94-18,234.68-7,547.62

Finding the Fourth Proportional to 13,216.94, 18,234.68 and 7,547.62

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Solution

The fourth proportional to 13,216.94, 18,234.68 and 7,547.62 is: 10,413.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,216.94 : 18,234.68 = 7,547.62 : x
  2. Step 2: Convert to fraction form
    13,216.94/18,234.68 = 7,547.62/x
  3. Step 3: Cross multiply
    13,216.94x = 18,234.68 × 7,547.62
  4. Step 4: Simplify right side
    13,216.94x = 137,628,435.46
  5. Step 5: Solve for x
    x = 137,628,435.46/13,216.94
  6. Step 6: Final answer
    x = 10,413.03

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Half scale
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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.