Home / 15,703.99-21,653.84-12,110.83

Finding the Fourth Proportional to 15,703.99, 21,653.84 and 12,110.83

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Solution

The fourth proportional to 15,703.99, 21,653.84 and 12,110.83 is: 16,699.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,703.99 : 21,653.84 = 12,110.83 : x
  2. Step 2: Convert to fraction form
    15,703.99/21,653.84 = 12,110.83/x
  3. Step 3: Cross multiply
    15,703.99x = 21,653.84 × 12,110.83
  4. Step 4: Simplify right side
    15,703.99x = 262,245,914.53
  5. Step 5: Solve for x
    x = 262,245,914.53/15,703.99
  6. Step 6: Final answer
    x = 16,699.32

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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.