Home / 14,075.70-19,422.09-8,772.18

Finding the Fourth Proportional to 14,075.70, 19,422.09 and 8,772.18

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Solution

The fourth proportional to 14,075.70, 19,422.09 and 8,772.18 is: 12,104.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,075.70 : 19,422.09 = 8,772.18 : x
  2. Step 2: Convert to fraction form
    14,075.70/19,422.09 = 8,772.18/x
  3. Step 3: Cross multiply
    14,075.70x = 19,422.09 × 8,772.18
  4. Step 4: Simplify right side
    14,075.70x = 170,374,069.46
  5. Step 5: Solve for x
    x = 170,374,069.46/14,075.70
  6. Step 6: Final answer
    x = 12,104.13

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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.