Home / 14,771.28-22,171.96-7,381.05

Finding the Fourth Proportional to 14,771.28, 22,171.96 and 7,381.05

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Solution

The fourth proportional to 14,771.28, 22,171.96 and 7,381.05 is: 11,079.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,771.28 : 22,171.96 = 7,381.05 : x
  2. Step 2: Convert to fraction form
    14,771.28/22,171.96 = 7,381.05/x
  3. Step 3: Cross multiply
    14,771.28x = 22,171.96 × 7,381.05
  4. Step 4: Simplify right side
    14,771.28x = 163,652,271.44
  5. Step 5: Solve for x
    x = 163,652,271.44/14,771.28
  6. Step 6: Final answer
    x = 11,079.08

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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.