Home / 12,976.25-17,907.23-7,007.93

Finding the Fourth Proportional to 12,976.25, 17,907.23 and 7,007.93

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Solution

The fourth proportional to 12,976.25, 17,907.23 and 7,007.93 is: 9,670.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,976.25 : 17,907.23 = 7,007.93 : x
  2. Step 2: Convert to fraction form
    12,976.25/17,907.23 = 7,007.93/x
  3. Step 3: Cross multiply
    12,976.25x = 17,907.23 × 7,007.93
  4. Step 4: Simplify right side
    12,976.25x = 125,492,559.11
  5. Step 5: Solve for x
    x = 125,492,559.11/12,976.25
  6. Step 6: Final answer
    x = 9,670.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.