Home / 19,995.07-29,982.54-6,663.35

Finding the Fourth Proportional to 19,995.07, 29,982.54 and 6,663.35

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Solution

The fourth proportional to 19,995.07, 29,982.54 and 6,663.35 is: 9,991.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,995.07 : 29,982.54 = 6,663.35 : x
  2. Step 2: Convert to fraction form
    19,995.07/29,982.54 = 6,663.35/x
  3. Step 3: Cross multiply
    19,995.07x = 29,982.54 × 6,663.35
  4. Step 4: Simplify right side
    19,995.07x = 199,784,051.72
  5. Step 5: Solve for x
    x = 199,784,051.72/19,995.07
  6. Step 6: Final answer
    x = 9,991.67

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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.