Home / 9,222.34-13,820.55-6,915.46

Finding the Fourth Proportional to 9,222.34, 13,820.55 and 6,915.46

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Solution

The fourth proportional to 9,222.34, 13,820.55 and 6,915.46 is: 10,363.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,222.34 : 13,820.55 = 6,915.46 : x
  2. Step 2: Convert to fraction form
    9,222.34/13,820.55 = 6,915.46/x
  3. Step 3: Cross multiply
    9,222.34x = 13,820.55 × 6,915.46
  4. Step 4: Simplify right side
    9,222.34x = 95,575,460.70
  5. Step 5: Solve for x
    x = 95,575,460.70/9,222.34
  6. Step 6: Final answer
    x = 10,363.47

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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.