Home / 9,687.27-13,373.81-6,106.82

Finding the Fourth Proportional to 9,687.27, 13,373.81 and 6,106.82

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Solution

The fourth proportional to 9,687.27, 13,373.81 and 6,106.82 is: 8,430.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,687.27 : 13,373.81 = 6,106.82 : x
  2. Step 2: Convert to fraction form
    9,687.27/13,373.81 = 6,106.82/x
  3. Step 3: Cross multiply
    9,687.27x = 13,373.81 × 6,106.82
  4. Step 4: Simplify right side
    9,687.27x = 81,671,413.50
  5. Step 5: Solve for x
    x = 81,671,413.50/9,687.27
  6. Step 6: Final answer
    x = 8,430.80

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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.