Home / 14,130.27-21,192.30-4,266.90

Finding the Fourth Proportional to 14,130.27, 21,192.30 and 4,266.90

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Solution

The fourth proportional to 14,130.27, 21,192.30 and 4,266.90 is: 6,399.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,130.27 : 21,192.30 = 4,266.90 : x
  2. Step 2: Convert to fraction form
    14,130.27/21,192.30 = 4,266.90/x
  3. Step 3: Cross multiply
    14,130.27x = 21,192.30 × 4,266.90
  4. Step 4: Simplify right side
    14,130.27x = 90,425,424.87
  5. Step 5: Solve for x
    x = 90,425,424.87/14,130.27
  6. Step 6: Final answer
    x = 6,399.41

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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.