Home / 16,721.30-23,075.09-9,167.69

Finding the Fourth Proportional to 16,721.30, 23,075.09 and 9,167.69

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Solution

The fourth proportional to 16,721.30, 23,075.09 and 9,167.69 is: 12,651.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,721.30 : 23,075.09 = 9,167.69 : x
  2. Step 2: Convert to fraction form
    16,721.30/23,075.09 = 9,167.69/x
  3. Step 3: Cross multiply
    16,721.30x = 23,075.09 × 9,167.69
  4. Step 4: Simplify right side
    16,721.30x = 211,545,191.24
  5. Step 5: Solve for x
    x = 211,545,191.24/16,721.30
  6. Step 6: Final answer
    x = 12,651.24

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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.