Home / 9,995-14,976.09-3,417.60

Finding the Fourth Proportional to 9,995, 14,976.09 and 3,417.60

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Solution

The fourth proportional to 9,995, 14,976.09 and 3,417.60 is: 5,120.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,995 : 14,976.09 = 3,417.60 : x
  2. Step 2: Convert to fraction form
    9,995/14,976.09 = 3,417.60/x
  3. Step 3: Cross multiply
    9,995x = 14,976.09 × 3,417.60
  4. Step 4: Simplify right side
    9,995x = 51,182,285.18
  5. Step 5: Solve for x
    x = 51,182,285.18/9,995
  6. Step 6: Final answer
    x = 5,120.79

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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.