Home / 20,411.26-30,608.58-6,366.57

Finding the Fourth Proportional to 20,411.26, 30,608.58 and 6,366.57

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Solution

The fourth proportional to 20,411.26, 30,608.58 and 6,366.57 is: 9,547.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,411.26 : 30,608.58 = 6,366.57 : x
  2. Step 2: Convert to fraction form
    20,411.26/30,608.58 = 6,366.57/x
  3. Step 3: Cross multiply
    20,411.26x = 30,608.58 × 6,366.57
  4. Step 4: Simplify right side
    20,411.26x = 194,871,576.26
  5. Step 5: Solve for x
    x = 194,871,576.26/20,411.26
  6. Step 6: Final answer
    x = 9,547.26

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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.