Home / 16,518.07-22,800.09-11,148.31

Finding the Fourth Proportional to 16,518.07, 22,800.09 and 11,148.31

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Solution

The fourth proportional to 16,518.07, 22,800.09 and 11,148.31 is: 15,388.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,518.07 : 22,800.09 = 11,148.31 : x
  2. Step 2: Convert to fraction form
    16,518.07/22,800.09 = 11,148.31/x
  3. Step 3: Cross multiply
    16,518.07x = 22,800.09 × 11,148.31
  4. Step 4: Simplify right side
    16,518.07x = 254,182,471.35
  5. Step 5: Solve for x
    x = 254,182,471.35/16,518.07
  6. Step 6: Final answer
    x = 15,388.15

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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.