Home / 19,611.60-27,050.32-12,895.08

Finding the Fourth Proportional to 19,611.60, 27,050.32 and 12,895.08

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Solution

The fourth proportional to 19,611.60, 27,050.32 and 12,895.08 is: 17,786.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,611.60 : 27,050.32 = 12,895.08 : x
  2. Step 2: Convert to fraction form
    19,611.60/27,050.32 = 12,895.08/x
  3. Step 3: Cross multiply
    19,611.60x = 27,050.32 × 12,895.08
  4. Step 4: Simplify right side
    19,611.60x = 348,816,040.43
  5. Step 5: Solve for x
    x = 348,816,040.43/19,611.60
  6. Step 6: Final answer
    x = 17,786.21

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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.