Home / 14,158.56-21,236.40-3,771.36

Finding the Fourth Proportional to 14,158.56, 21,236.40 and 3,771.36

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Solution

The fourth proportional to 14,158.56, 21,236.40 and 3,771.36 is: 5,656.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,158.56 : 21,236.40 = 3,771.36 : x
  2. Step 2: Convert to fraction form
    14,158.56/21,236.40 = 3,771.36/x
  3. Step 3: Cross multiply
    14,158.56x = 21,236.40 × 3,771.36
  4. Step 4: Simplify right side
    14,158.56x = 80,090,109.50
  5. Step 5: Solve for x
    x = 80,090,109.50/14,158.56
  6. Step 6: Final answer
    x = 5,656.66

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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.