Home / 19,005.86-28,507.35-6,685.22

Finding the Fourth Proportional to 19,005.86, 28,507.35 and 6,685.22

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Solution

The fourth proportional to 19,005.86, 28,507.35 and 6,685.22 is: 10,027.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,005.86 : 28,507.35 = 6,685.22 : x
  2. Step 2: Convert to fraction form
    19,005.86/28,507.35 = 6,685.22/x
  3. Step 3: Cross multiply
    19,005.86x = 28,507.35 × 6,685.22
  4. Step 4: Simplify right side
    19,005.86x = 190,577,906.37
  5. Step 5: Solve for x
    x = 190,577,906.37/19,005.86
  6. Step 6: Final answer
    x = 10,027.32

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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.