Home / 13,785.80-19,035.25-11,088.32

Finding the Fourth Proportional to 13,785.80, 19,035.25 and 11,088.32

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Solution

The fourth proportional to 13,785.80, 19,035.25 and 11,088.32 is: 15,310.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,785.80 : 19,035.25 = 11,088.32 : x
  2. Step 2: Convert to fraction form
    13,785.80/19,035.25 = 11,088.32/x
  3. Step 3: Cross multiply
    13,785.80x = 19,035.25 × 11,088.32
  4. Step 4: Simplify right side
    13,785.80x = 211,068,936.29
  5. Step 5: Solve for x
    x = 211,068,936.29/13,785.80
  6. Step 6: Final answer
    x = 15,310.61

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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.