Home / 14,128.02-21,192.84-3,739.50

Finding the Fourth Proportional to 14,128.02, 21,192.84 and 3,739.50

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Solution

The fourth proportional to 14,128.02, 21,192.84 and 3,739.50 is: 5,609.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,128.02 : 21,192.84 = 3,739.50 : x
  2. Step 2: Convert to fraction form
    14,128.02/21,192.84 = 3,739.50/x
  3. Step 3: Cross multiply
    14,128.02x = 21,192.84 × 3,739.50
  4. Step 4: Simplify right side
    14,128.02x = 79,250,625.18
  5. Step 5: Solve for x
    x = 79,250,625.18/14,128.02
  6. Step 6: Final answer
    x = 5,609.46

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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.