Home / 14,075.85-19,321.20-12,446.80

Finding the Fourth Proportional to 14,075.85, 19,321.20 and 12,446.80

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Solution

The fourth proportional to 14,075.85, 19,321.20 and 12,446.80 is: 17,085.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,075.85 : 19,321.20 = 12,446.80 : x
  2. Step 2: Convert to fraction form
    14,075.85/19,321.20 = 12,446.80/x
  3. Step 3: Cross multiply
    14,075.85x = 19,321.20 × 12,446.80
  4. Step 4: Simplify right side
    14,075.85x = 240,487,092.86
  5. Step 5: Solve for x
    x = 240,487,092.86/14,075.85
  6. Step 6: Final answer
    x = 17,085.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.