Home / 9,647.80-14,470.08-2,720.68

Finding the Fourth Proportional to 9,647.80, 14,470.08 and 2,720.68

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Solution

The fourth proportional to 9,647.80, 14,470.08 and 2,720.68 is: 4,080.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,647.80 : 14,470.08 = 2,720.68 : x
  2. Step 2: Convert to fraction form
    9,647.80/14,470.08 = 2,720.68/x
  3. Step 3: Cross multiply
    9,647.80x = 14,470.08 × 2,720.68
  4. Step 4: Simplify right side
    9,647.80x = 39,368,457.25
  5. Step 5: Solve for x
    x = 39,368,457.25/9,647.80
  6. Step 6: Final answer
    x = 4,080.56

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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.