Home / 19,710.74-27,190.68-13,337.60

Finding the Fourth Proportional to 19,710.74, 27,190.68 and 13,337.60

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Solution

The fourth proportional to 19,710.74, 27,190.68 and 13,337.60 is: 18,399.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,710.74 : 27,190.68 = 13,337.60 : x
  2. Step 2: Convert to fraction form
    19,710.74/27,190.68 = 13,337.60/x
  3. Step 3: Cross multiply
    19,710.74x = 27,190.68 × 13,337.60
  4. Step 4: Simplify right side
    19,710.74x = 362,658,413.57
  5. Step 5: Solve for x
    x = 362,658,413.57/19,710.74
  6. Step 6: Final answer
    x = 18,399.03

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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.