Home / 13,754.41-18,977.73-8,088.68

Finding the Fourth Proportional to 13,754.41, 18,977.73 and 8,088.68

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Solution

The fourth proportional to 13,754.41, 18,977.73 and 8,088.68 is: 11,160.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,754.41 : 18,977.73 = 8,088.68 : x
  2. Step 2: Convert to fraction form
    13,754.41/18,977.73 = 8,088.68/x
  3. Step 3: Cross multiply
    13,754.41x = 18,977.73 × 8,088.68
  4. Step 4: Simplify right side
    13,754.41x = 153,504,785.10
  5. Step 5: Solve for x
    x = 153,504,785.10/13,754.41
  6. Step 6: Final answer
    x = 11,160.40

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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.