Home / 8,739.09-13,084.26-7,477.95

Finding the Fourth Proportional to 8,739.09, 13,084.26 and 7,477.95

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Solution

The fourth proportional to 8,739.09, 13,084.26 and 7,477.95 is: 11,196.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,739.09 : 13,084.26 = 7,477.95 : x
  2. Step 2: Convert to fraction form
    8,739.09/13,084.26 = 7,477.95/x
  3. Step 3: Cross multiply
    8,739.09x = 13,084.26 × 7,477.95
  4. Step 4: Simplify right side
    8,739.09x = 97,843,373.72
  5. Step 5: Solve for x
    x = 97,843,373.72/8,739.09
  6. Step 6: Final answer
    x = 11,196.06

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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.