Home / 9,401.80-12,961.32-6,565.12

Finding the Fourth Proportional to 9,401.80, 12,961.32 and 6,565.12

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Solution

The fourth proportional to 9,401.80, 12,961.32 and 6,565.12 is: 9,050.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,401.80 : 12,961.32 = 6,565.12 : x
  2. Step 2: Convert to fraction form
    9,401.80/12,961.32 = 6,565.12/x
  3. Step 3: Cross multiply
    9,401.80x = 12,961.32 × 6,565.12
  4. Step 4: Simplify right side
    9,401.80x = 85,092,621.16
  5. Step 5: Solve for x
    x = 85,092,621.16/9,401.80
  6. Step 6: Final answer
    x = 9,050.67

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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.