Home / 18,075.20-27,089.30-6,970.91

Finding the Fourth Proportional to 18,075.20, 27,089.30 and 6,970.91

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Solution

The fourth proportional to 18,075.20, 27,089.30 and 6,970.91 is: 10,447.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,075.20 : 27,089.30 = 6,970.91 : x
  2. Step 2: Convert to fraction form
    18,075.20/27,089.30 = 6,970.91/x
  3. Step 3: Cross multiply
    18,075.20x = 27,089.30 × 6,970.91
  4. Step 4: Simplify right side
    18,075.20x = 188,836,954.24
  5. Step 5: Solve for x
    x = 188,836,954.24/18,075.20
  6. Step 6: Final answer
    x = 10,447.30

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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.