Home / 16,718.75-23,071.72-9,165.50

Finding the Fourth Proportional to 16,718.75, 23,071.72 and 9,165.50

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Solution

The fourth proportional to 16,718.75, 23,071.72 and 9,165.50 is: 12,648.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,718.75 : 23,071.72 = 9,165.50 : x
  2. Step 2: Convert to fraction form
    16,718.75/23,071.72 = 9,165.50/x
  3. Step 3: Cross multiply
    16,718.75x = 23,071.72 × 9,165.50
  4. Step 4: Simplify right side
    16,718.75x = 211,463,849.66
  5. Step 5: Solve for x
    x = 211,463,849.66/16,718.75
  6. Step 6: Final answer
    x = 12,648.31

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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.