Home / 9,211.37-12,711.67-5,019.62

Finding the Fourth Proportional to 9,211.37, 12,711.67 and 5,019.62

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Solution

The fourth proportional to 9,211.37, 12,711.67 and 5,019.62 is: 6,927.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,211.37 : 12,711.67 = 5,019.62 : x
  2. Step 2: Convert to fraction form
    9,211.37/12,711.67 = 5,019.62/x
  3. Step 3: Cross multiply
    9,211.37x = 12,711.67 × 5,019.62
  4. Step 4: Simplify right side
    9,211.37x = 63,807,752.97
  5. Step 5: Solve for x
    x = 63,807,752.97/9,211.37
  6. Step 6: Final answer
    x = 6,927.06

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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.