Home / 14,291.60-21,385.56-12,075.44

Finding the Fourth Proportional to 14,291.60, 21,385.56 and 12,075.44

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Solution

The fourth proportional to 14,291.60, 21,385.56 and 12,075.44 is: 18,069.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,291.60 : 21,385.56 = 12,075.44 : x
  2. Step 2: Convert to fraction form
    14,291.60/21,385.56 = 12,075.44/x
  3. Step 3: Cross multiply
    14,291.60x = 21,385.56 × 12,075.44
  4. Step 4: Simplify right side
    14,291.60x = 258,240,046.65
  5. Step 5: Solve for x
    x = 258,240,046.65/14,291.60
  6. Step 6: Final answer
    x = 18,069.36

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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.