Home / 14,216.31-21,331.08-8,950.05

Finding the Fourth Proportional to 14,216.31, 21,331.08 and 8,950.05

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Solution

The fourth proportional to 14,216.31, 21,331.08 and 8,950.05 is: 13,429.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,216.31 : 21,331.08 = 8,950.05 : x
  2. Step 2: Convert to fraction form
    14,216.31/21,331.08 = 8,950.05/x
  3. Step 3: Cross multiply
    14,216.31x = 21,331.08 × 8,950.05
  4. Step 4: Simplify right side
    14,216.31x = 190,914,232.55
  5. Step 5: Solve for x
    x = 190,914,232.55/14,216.31
  6. Step 6: Final answer
    x = 13,429.24

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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.