Home / 10,280.66-15,418.68-4,728.67

Finding the Fourth Proportional to 10,280.66, 15,418.68 and 4,728.67

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Solution

The fourth proportional to 10,280.66, 15,418.68 and 4,728.67 is: 7,091.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,280.66 : 15,418.68 = 4,728.67 : x
  2. Step 2: Convert to fraction form
    10,280.66/15,418.68 = 4,728.67/x
  3. Step 3: Cross multiply
    10,280.66x = 15,418.68 × 4,728.67
  4. Step 4: Simplify right side
    10,280.66x = 72,909,880.65
  5. Step 5: Solve for x
    x = 72,909,880.65/10,280.66
  6. Step 6: Final answer
    x = 7,091.95

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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.