Home / 13,323.38-19,987.47-6,663.35

Finding the Fourth Proportional to 13,323.38, 19,987.47 and 6,663.35

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Solution

The fourth proportional to 13,323.38, 19,987.47 and 6,663.35 is: 9,996.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,323.38 : 19,987.47 = 6,663.35 : x
  2. Step 2: Convert to fraction form
    13,323.38/19,987.47 = 6,663.35/x
  3. Step 3: Cross multiply
    13,323.38x = 19,987.47 × 6,663.35
  4. Step 4: Simplify right side
    13,323.38x = 133,183,508.22
  5. Step 5: Solve for x
    x = 133,183,508.22/13,323.38
  6. Step 6: Final answer
    x = 9,996.23

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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.