Home / 16,895.72-23,317.53-9,821.68

Finding the Fourth Proportional to 16,895.72, 23,317.53 and 9,821.68

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Solution

The fourth proportional to 16,895.72, 23,317.53 and 9,821.68 is: 13,554.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,895.72 : 23,317.53 = 9,821.68 : x
  2. Step 2: Convert to fraction form
    16,895.72/23,317.53 = 9,821.68/x
  3. Step 3: Cross multiply
    16,895.72x = 23,317.53 × 9,821.68
  4. Step 4: Simplify right side
    16,895.72x = 229,017,318.05
  5. Step 5: Solve for x
    x = 229,017,318.05/16,895.72
  6. Step 6: Final answer
    x = 13,554.75

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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.