Home / 13,717.80-20,576.70-9,052.20

Finding the Fourth Proportional to 13,717.80, 20,576.70 and 9,052.20

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Solution

The fourth proportional to 13,717.80, 20,576.70 and 9,052.20 is: 13,578.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,717.80 : 20,576.70 = 9,052.20 : x
  2. Step 2: Convert to fraction form
    13,717.80/20,576.70 = 9,052.20/x
  3. Step 3: Cross multiply
    13,717.80x = 20,576.70 × 9,052.20
  4. Step 4: Simplify right side
    13,717.80x = 186,264,403.74
  5. Step 5: Solve for x
    x = 186,264,403.74/13,717.80
  6. Step 6: Final answer
    x = 13,578.30

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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.