Home / 15,484.06-21,367.88-8,410.48

Finding the Fourth Proportional to 15,484.06, 21,367.88 and 8,410.48

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Solution

The fourth proportional to 15,484.06, 21,367.88 and 8,410.48 is: 11,606.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,484.06 : 21,367.88 = 8,410.48 : x
  2. Step 2: Convert to fraction form
    15,484.06/21,367.88 = 8,410.48/x
  3. Step 3: Cross multiply
    15,484.06x = 21,367.88 × 8,410.48
  4. Step 4: Simplify right side
    15,484.06x = 179,714,063.45
  5. Step 5: Solve for x
    x = 179,714,063.45/15,484.06
  6. Step 6: Final answer
    x = 11,606.39

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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.