Home / 14,387.32-21,576.96-9,114.49

Finding the Fourth Proportional to 14,387.32, 21,576.96 and 9,114.49

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Solution

The fourth proportional to 14,387.32, 21,576.96 and 9,114.49 is: 13,669.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,387.32 : 21,576.96 = 9,114.49 : x
  2. Step 2: Convert to fraction form
    14,387.32/21,576.96 = 9,114.49/x
  3. Step 3: Cross multiply
    14,387.32x = 21,576.96 × 9,114.49
  4. Step 4: Simplify right side
    14,387.32x = 196,662,986.15
  5. Step 5: Solve for x
    x = 196,662,986.15/14,387.32
  6. Step 6: Final answer
    x = 13,669.19

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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.