Home / 18,068.96-27,075.48-12,533.12

Finding the Fourth Proportional to 18,068.96, 27,075.48 and 12,533.12

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Solution

The fourth proportional to 18,068.96, 27,075.48 and 12,533.12 is: 18,780.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,068.96 : 27,075.48 = 12,533.12 : x
  2. Step 2: Convert to fraction form
    18,068.96/27,075.48 = 12,533.12/x
  3. Step 3: Cross multiply
    18,068.96x = 27,075.48 × 12,533.12
  4. Step 4: Simplify right side
    18,068.96x = 339,340,239.90
  5. Step 5: Solve for x
    x = 339,340,239.90/18,068.96
  6. Step 6: Final answer
    x = 18,780.29

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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.