Home / 15,484.58-21,368.22-8,410.94

Finding the Fourth Proportional to 15,484.58, 21,368.22 and 8,410.94

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Solution

The fourth proportional to 15,484.58, 21,368.22 and 8,410.94 is: 11,606.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,484.58 : 21,368.22 = 8,410.94 : x
  2. Step 2: Convert to fraction form
    15,484.58/21,368.22 = 8,410.94/x
  3. Step 3: Cross multiply
    15,484.58x = 21,368.22 × 8,410.94
  4. Step 4: Simplify right side
    15,484.58x = 179,726,816.33
  5. Step 5: Solve for x
    x = 179,726,816.33/15,484.58
  6. Step 6: Final answer
    x = 11,606.83

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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.