Home / 19,100.48-28,683.03-12,448.28

Finding the Fourth Proportional to 19,100.48, 28,683.03 and 12,448.28

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Solution

The fourth proportional to 19,100.48, 28,683.03 and 12,448.28 is: 18,693.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,100.48 : 28,683.03 = 12,448.28 : x
  2. Step 2: Convert to fraction form
    19,100.48/28,683.03 = 12,448.28/x
  3. Step 3: Cross multiply
    19,100.48x = 28,683.03 × 12,448.28
  4. Step 4: Simplify right side
    19,100.48x = 357,054,183.03
  5. Step 5: Solve for x
    x = 357,054,183.03/19,100.48
  6. Step 6: Final answer
    x = 18,693.47

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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.