Home / 12,953.43-19,413.81-5,549.13

Finding the Fourth Proportional to 12,953.43, 19,413.81 and 5,549.13

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Solution

The fourth proportional to 12,953.43, 19,413.81 and 5,549.13 is: 8,316.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,953.43 : 19,413.81 = 5,549.13 : x
  2. Step 2: Convert to fraction form
    12,953.43/19,413.81 = 5,549.13/x
  3. Step 3: Cross multiply
    12,953.43x = 19,413.81 × 5,549.13
  4. Step 4: Simplify right side
    12,953.43x = 107,729,755.49
  5. Step 5: Solve for x
    x = 107,729,755.49/12,953.43
  6. Step 6: Final answer
    x = 8,316.70

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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.