Home / 9,912.48-14,866.82-4,980.80

Finding the Fourth Proportional to 9,912.48, 14,866.82 and 4,980.80

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Solution

The fourth proportional to 9,912.48, 14,866.82 and 4,980.80 is: 7,470.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,912.48 : 14,866.82 = 4,980.80 : x
  2. Step 2: Convert to fraction form
    9,912.48/14,866.82 = 4,980.80/x
  3. Step 3: Cross multiply
    9,912.48x = 14,866.82 × 4,980.80
  4. Step 4: Simplify right side
    9,912.48x = 74,048,657.06
  5. Step 5: Solve for x
    x = 74,048,657.06/9,912.48
  6. Step 6: Final answer
    x = 7,470.25

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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.