Home / 9,135.57-13,689.63-7,052.43

Finding the Fourth Proportional to 9,135.57, 13,689.63 and 7,052.43

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Solution

The fourth proportional to 9,135.57, 13,689.63 and 7,052.43 is: 10,568.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,135.57 : 13,689.63 = 7,052.43 : x
  2. Step 2: Convert to fraction form
    9,135.57/13,689.63 = 7,052.43/x
  3. Step 3: Cross multiply
    9,135.57x = 13,689.63 × 7,052.43
  4. Step 4: Simplify right side
    9,135.57x = 96,545,157.30
  5. Step 5: Solve for x
    x = 96,545,157.30/9,135.57
  6. Step 6: Final answer
    x = 10,568.05

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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.