Home / 19,332.36-28,991.42-6,678.89

Finding the Fourth Proportional to 19,332.36, 28,991.42 and 6,678.89

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Solution

The fourth proportional to 19,332.36, 28,991.42 and 6,678.89 is: 10,015.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,332.36 : 28,991.42 = 6,678.89 : x
  2. Step 2: Convert to fraction form
    19,332.36/28,991.42 = 6,678.89/x
  3. Step 3: Cross multiply
    19,332.36x = 28,991.42 × 6,678.89
  4. Step 4: Simplify right side
    19,332.36x = 193,630,594.30
  5. Step 5: Solve for x
    x = 193,630,594.30/19,332.36
  6. Step 6: Final answer
    x = 10,015.88

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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.