Home / 21,112.01-31,663.27-6,319.03

Finding the Fourth Proportional to 21,112.01, 31,663.27 and 6,319.03

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Solution

The fourth proportional to 21,112.01, 31,663.27 and 6,319.03 is: 9,477.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,112.01 : 31,663.27 = 6,319.03 : x
  2. Step 2: Convert to fraction form
    21,112.01/31,663.27 = 6,319.03/x
  3. Step 3: Cross multiply
    21,112.01x = 31,663.27 × 6,319.03
  4. Step 4: Simplify right side
    21,112.01x = 200,081,153.03
  5. Step 5: Solve for x
    x = 200,081,153.03/21,112.01
  6. Step 6: Final answer
    x = 9,477.12

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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.