Home / 19,243.72-26,562.37-11,289.16

Finding the Fourth Proportional to 19,243.72, 26,562.37 and 11,289.16

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Solution

The fourth proportional to 19,243.72, 26,562.37 and 11,289.16 is: 15,582.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,243.72 : 26,562.37 = 11,289.16 : x
  2. Step 2: Convert to fraction form
    19,243.72/26,562.37 = 11,289.16/x
  3. Step 3: Cross multiply
    19,243.72x = 26,562.37 × 11,289.16
  4. Step 4: Simplify right side
    19,243.72x = 299,866,844.91
  5. Step 5: Solve for x
    x = 299,866,844.91/19,243.72
  6. Step 6: Final answer
    x = 15,582.58

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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.