Home / 14,007.48-19,358.19-11,485.68

Finding the Fourth Proportional to 14,007.48, 19,358.19 and 11,485.68

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Solution

The fourth proportional to 14,007.48, 19,358.19 and 11,485.68 is: 15,873.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,007.48 : 19,358.19 = 11,485.68 : x
  2. Step 2: Convert to fraction form
    14,007.48/19,358.19 = 11,485.68/x
  3. Step 3: Cross multiply
    14,007.48x = 19,358.19 × 11,485.68
  4. Step 4: Simplify right side
    14,007.48x = 222,341,975.72
  5. Step 5: Solve for x
    x = 222,341,975.72/14,007.48
  6. Step 6: Final answer
    x = 15,873.09

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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.