Home / 18,157.14-25,075.44-12,506.58

Finding the Fourth Proportional to 18,157.14, 25,075.44 and 12,506.58

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Solution

The fourth proportional to 18,157.14, 25,075.44 and 12,506.58 is: 17,271.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,157.14 : 25,075.44 = 12,506.58 : x
  2. Step 2: Convert to fraction form
    18,157.14/25,075.44 = 12,506.58/x
  3. Step 3: Cross multiply
    18,157.14x = 25,075.44 × 12,506.58
  4. Step 4: Simplify right side
    18,157.14x = 313,607,996.40
  5. Step 5: Solve for x
    x = 313,607,996.40/18,157.14
  6. Step 6: Final answer
    x = 17,271.88

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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.