Home / 9,126.26-13,689.50-3,582.21

Finding the Fourth Proportional to 9,126.26, 13,689.50 and 3,582.21

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Solution

The fourth proportional to 9,126.26, 13,689.50 and 3,582.21 is: 5,373.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,126.26 : 13,689.50 = 3,582.21 : x
  2. Step 2: Convert to fraction form
    9,126.26/13,689.50 = 3,582.21/x
  3. Step 3: Cross multiply
    9,126.26x = 13,689.50 × 3,582.21
  4. Step 4: Simplify right side
    9,126.26x = 49,038,680.11
  5. Step 5: Solve for x
    x = 49,038,680.11/9,126.26
  6. Step 6: Final answer
    x = 5,373.36

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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.