Home / 13,573.77-18,740.94-8,477.07

Finding the Fourth Proportional to 13,573.77, 18,740.94 and 8,477.07

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Solution

The fourth proportional to 13,573.77, 18,740.94 and 8,477.07 is: 11,704.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,573.77 : 18,740.94 = 8,477.07 : x
  2. Step 2: Convert to fraction form
    13,573.77/18,740.94 = 8,477.07/x
  3. Step 3: Cross multiply
    13,573.77x = 18,740.94 × 8,477.07
  4. Step 4: Simplify right side
    13,573.77x = 158,868,260.25
  5. Step 5: Solve for x
    x = 158,868,260.25/13,573.77
  6. Step 6: Final answer
    x = 11,704.06

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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.