Home / 13,173.12-19,772.03-6,937.74

Finding the Fourth Proportional to 13,173.12, 19,772.03 and 6,937.74

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Solution

The fourth proportional to 13,173.12, 19,772.03 and 6,937.74 is: 10,413.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,173.12 : 19,772.03 = 6,937.74 : x
  2. Step 2: Convert to fraction form
    13,173.12/19,772.03 = 6,937.74/x
  3. Step 3: Cross multiply
    13,173.12x = 19,772.03 × 6,937.74
  4. Step 4: Simplify right side
    13,173.12x = 137,173,203.41
  5. Step 5: Solve for x
    x = 137,173,203.41/13,173.12
  6. Step 6: Final answer
    x = 10,413.11

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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.