Home / 13,977.51-20,952.13-6,946.71

Finding the Fourth Proportional to 13,977.51, 20,952.13 and 6,946.71

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Solution

The fourth proportional to 13,977.51, 20,952.13 and 6,946.71 is: 10,413.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,977.51 : 20,952.13 = 6,946.71 : x
  2. Step 2: Convert to fraction form
    13,977.51/20,952.13 = 6,946.71/x
  3. Step 3: Cross multiply
    13,977.51x = 20,952.13 × 6,946.71
  4. Step 4: Simplify right side
    13,977.51x = 145,548,370.99
  5. Step 5: Solve for x
    x = 145,548,370.99/13,977.51
  6. Step 6: Final answer
    x = 10,413.04

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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.