Home / 9,222.02-12,730.20-6,983.90

Finding the Fourth Proportional to 9,222.02, 12,730.20 and 6,983.90

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Solution

The fourth proportional to 9,222.02, 12,730.20 and 6,983.90 is: 9,640.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,222.02 : 12,730.20 = 6,983.90 : x
  2. Step 2: Convert to fraction form
    9,222.02/12,730.20 = 6,983.90/x
  3. Step 3: Cross multiply
    9,222.02x = 12,730.20 × 6,983.90
  4. Step 4: Simplify right side
    9,222.02x = 88,906,443.78
  5. Step 5: Solve for x
    x = 88,906,443.78/9,222.02
  6. Step 6: Final answer
    x = 9,640.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.