Home / 22,271.60-33,408.96-6,690.40

Finding the Fourth Proportional to 22,271.60, 33,408.96 and 6,690.40

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Solution

The fourth proportional to 22,271.60, 33,408.96 and 6,690.40 is: 10,036.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,271.60 : 33,408.96 = 6,690.40 : x
  2. Step 2: Convert to fraction form
    22,271.60/33,408.96 = 6,690.40/x
  3. Step 3: Cross multiply
    22,271.60x = 33,408.96 × 6,690.40
  4. Step 4: Simplify right side
    22,271.60x = 223,519,305.98
  5. Step 5: Solve for x
    x = 223,519,305.98/22,271.60
  6. Step 6: Final answer
    x = 10,036.07

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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.