Home / 22,146.80-30,561.57-12,075.26

Finding the Fourth Proportional to 22,146.80, 30,561.57 and 12,075.26

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Solution

The fourth proportional to 22,146.80, 30,561.57 and 12,075.26 is: 16,663.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,146.80 : 30,561.57 = 12,075.26 : x
  2. Step 2: Convert to fraction form
    22,146.80/30,561.57 = 12,075.26/x
  3. Step 3: Cross multiply
    22,146.80x = 30,561.57 × 12,075.26
  4. Step 4: Simplify right side
    22,146.80x = 369,038,750.95
  5. Step 5: Solve for x
    x = 369,038,750.95/22,146.80
  6. Step 6: Final answer
    x = 16,663.30

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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.