Home / 14,075.64-21,113.46-3,687.39

Finding the Fourth Proportional to 14,075.64, 21,113.46 and 3,687.39

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Solution

The fourth proportional to 14,075.64, 21,113.46 and 3,687.39 is: 5,531.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,075.64 : 21,113.46 = 3,687.39 : x
  2. Step 2: Convert to fraction form
    14,075.64/21,113.46 = 3,687.39/x
  3. Step 3: Cross multiply
    14,075.64x = 21,113.46 × 3,687.39
  4. Step 4: Simplify right side
    14,075.64x = 77,853,561.27
  5. Step 5: Solve for x
    x = 77,853,561.27/14,075.64
  6. Step 6: Final answer
    x = 5,531.09

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Double scale
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Similar ratio
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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.