Home / 16,941.51-23,379.75-9,285.21

Finding the Fourth Proportional to 16,941.51, 23,379.75 and 9,285.21

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Solution

The fourth proportional to 16,941.51, 23,379.75 and 9,285.21 is: 12,813.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,941.51 : 23,379.75 = 9,285.21 : x
  2. Step 2: Convert to fraction form
    16,941.51/23,379.75 = 9,285.21/x
  3. Step 3: Cross multiply
    16,941.51x = 23,379.75 × 9,285.21
  4. Step 4: Simplify right side
    16,941.51x = 217,085,888.50
  5. Step 5: Solve for x
    x = 217,085,888.50/16,941.51
  6. Step 6: Final answer
    x = 12,813.85

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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.