Home / 22,075.70-30,464.76-12,644.25

Finding the Fourth Proportional to 22,075.70, 30,464.76 and 12,644.25

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Solution

The fourth proportional to 22,075.70, 30,464.76 and 12,644.25 is: 17,449.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,075.70 : 30,464.76 = 12,644.25 : x
  2. Step 2: Convert to fraction form
    22,075.70/30,464.76 = 12,644.25/x
  3. Step 3: Cross multiply
    22,075.70x = 30,464.76 × 12,644.25
  4. Step 4: Simplify right side
    22,075.70x = 385,204,041.63
  5. Step 5: Solve for x
    x = 385,204,041.63/22,075.70
  6. Step 6: Final answer
    x = 17,449.24

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Half scale
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Double scale
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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.