Home / 15,298.54-21,111.44-8,584.45

Finding the Fourth Proportional to 15,298.54, 21,111.44 and 8,584.45

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Solution

The fourth proportional to 15,298.54, 21,111.44 and 8,584.45 is: 11,846.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,298.54 : 21,111.44 = 8,584.45 : x
  2. Step 2: Convert to fraction form
    15,298.54/21,111.44 = 8,584.45/x
  3. Step 3: Cross multiply
    15,298.54x = 21,111.44 × 8,584.45
  4. Step 4: Simplify right side
    15,298.54x = 181,230,005.41
  5. Step 5: Solve for x
    x = 181,230,005.41/15,298.54
  6. Step 6: Final answer
    x = 11,846.23

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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.