Home / 11,053.71-16,558.36-5,490.23

Finding the Fourth Proportional to 11,053.71, 16,558.36 and 5,490.23

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Solution

The fourth proportional to 11,053.71, 16,558.36 and 5,490.23 is: 8,224.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,053.71 : 16,558.36 = 5,490.23 : x
  2. Step 2: Convert to fraction form
    11,053.71/16,558.36 = 5,490.23/x
  3. Step 3: Cross multiply
    11,053.71x = 16,558.36 × 5,490.23
  4. Step 4: Simplify right side
    11,053.71x = 90,909,108.31
  5. Step 5: Solve for x
    x = 90,909,108.31/11,053.71
  6. Step 6: Final answer
    x = 8,224.31

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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.