Home / 12,949.32-17,860.80-12,754.92

Finding the Fourth Proportional to 12,949.32, 17,860.80 and 12,754.92

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Solution

The fourth proportional to 12,949.32, 17,860.80 and 12,754.92 is: 17,592.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,949.32 : 17,860.80 = 12,754.92 : x
  2. Step 2: Convert to fraction form
    12,949.32/17,860.80 = 12,754.92/x
  3. Step 3: Cross multiply
    12,949.32x = 17,860.80 × 12,754.92
  4. Step 4: Simplify right side
    12,949.32x = 227,813,075.14
  5. Step 5: Solve for x
    x = 227,813,075.14/12,949.32
  6. Step 6: Final answer
    x = 17,592.67

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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.