Home / 9,428.01-14,136.20-3,187.44

Finding the Fourth Proportional to 9,428.01, 14,136.20 and 3,187.44

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Solution

The fourth proportional to 9,428.01, 14,136.20 and 3,187.44 is: 4,779.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,428.01 : 14,136.20 = 3,187.44 : x
  2. Step 2: Convert to fraction form
    9,428.01/14,136.20 = 3,187.44/x
  3. Step 3: Cross multiply
    9,428.01x = 14,136.20 × 3,187.44
  4. Step 4: Simplify right side
    9,428.01x = 45,058,273.39
  5. Step 5: Solve for x
    x = 45,058,273.39/9,428.01
  6. Step 6: Final answer
    x = 4,779.19

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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.