Home / 16,921.93-25,377.96-5,075.23

Finding the Fourth Proportional to 16,921.93, 25,377.96 and 5,075.23

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Solution

The fourth proportional to 16,921.93, 25,377.96 and 5,075.23 is: 7,611.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,921.93 : 25,377.96 = 5,075.23 : x
  2. Step 2: Convert to fraction form
    16,921.93/25,377.96 = 5,075.23/x
  3. Step 3: Cross multiply
    16,921.93x = 25,377.96 × 5,075.23
  4. Step 4: Simplify right side
    16,921.93x = 128,798,983.93
  5. Step 5: Solve for x
    x = 128,798,983.93/16,921.93
  6. Step 6: Final answer
    x = 7,611.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.