Home / 14,272.12-21,406.02-4,910.68

Finding the Fourth Proportional to 14,272.12, 21,406.02 and 4,910.68

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Solution

The fourth proportional to 14,272.12, 21,406.02 and 4,910.68 is: 7,365.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,272.12 : 21,406.02 = 4,910.68 : x
  2. Step 2: Convert to fraction form
    14,272.12/21,406.02 = 4,910.68/x
  3. Step 3: Cross multiply
    14,272.12x = 21,406.02 × 4,910.68
  4. Step 4: Simplify right side
    14,272.12x = 105,118,114.29
  5. Step 5: Solve for x
    x = 105,118,114.29/14,272.12
  6. Step 6: Final answer
    x = 7,365.28

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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.