Home / 22,012.42-33,018.63-6,430.18

Finding the Fourth Proportional to 22,012.42, 33,018.63 and 6,430.18

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Solution

The fourth proportional to 22,012.42, 33,018.63 and 6,430.18 is: 9,645.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,012.42 : 33,018.63 = 6,430.18 : x
  2. Step 2: Convert to fraction form
    22,012.42/33,018.63 = 6,430.18/x
  3. Step 3: Cross multiply
    22,012.42x = 33,018.63 × 6,430.18
  4. Step 4: Simplify right side
    22,012.42x = 212,315,734.25
  5. Step 5: Solve for x
    x = 212,315,734.25/22,012.42
  6. Step 6: Final answer
    x = 9,645.27

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Similar ratio
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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.