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Finding the Fourth Proportional to 11,448.66, 15,800.48 and 6,975.04

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Solution

The fourth proportional to 11,448.66, 15,800.48 and 6,975.04 is: 9,626.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,448.66 : 15,800.48 = 6,975.04 : x
  2. Step 2: Convert to fraction form
    11,448.66/15,800.48 = 6,975.04/x
  3. Step 3: Cross multiply
    11,448.66x = 15,800.48 × 6,975.04
  4. Step 4: Simplify right side
    11,448.66x = 110,208,980.02
  5. Step 5: Solve for x
    x = 110,208,980.02/11,448.66
  6. Step 6: Final answer
    x = 9,626.37

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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.