Home / 9,211.18-13,816.95-2,285.50

Finding the Fourth Proportional to 9,211.18, 13,816.95 and 2,285.50

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Solution

The fourth proportional to 9,211.18, 13,816.95 and 2,285.50 is: 3,428.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,211.18 : 13,816.95 = 2,285.50 : x
  2. Step 2: Convert to fraction form
    9,211.18/13,816.95 = 2,285.50/x
  3. Step 3: Cross multiply
    9,211.18x = 13,816.95 × 2,285.50
  4. Step 4: Simplify right side
    9,211.18x = 31,578,639.23
  5. Step 5: Solve for x
    x = 31,578,639.23/9,211.18
  6. Step 6: Final answer
    x = 3,428.29

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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.