Home / 16,721.80-23,075.48-9,167.96

Finding the Fourth Proportional to 16,721.80, 23,075.48 and 9,167.96

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Solution

The fourth proportional to 16,721.80, 23,075.48 and 9,167.96 is: 12,651.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,721.80 : 23,075.48 = 9,167.96 : x
  2. Step 2: Convert to fraction form
    16,721.80/23,075.48 = 9,167.96/x
  3. Step 3: Cross multiply
    16,721.80x = 23,075.48 × 9,167.96
  4. Step 4: Simplify right side
    16,721.80x = 211,555,158.23
  5. Step 5: Solve for x
    x = 211,555,158.23/16,721.80
  6. Step 6: Final answer
    x = 12,651.46

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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.