Home / 22,518.70-31,075.23-12,446.44

Finding the Fourth Proportional to 22,518.70, 31,075.23 and 12,446.44

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Solution

The fourth proportional to 22,518.70, 31,075.23 and 12,446.44 is: 17,175.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,518.70 : 31,075.23 = 12,446.44 : x
  2. Step 2: Convert to fraction form
    22,518.70/31,075.23 = 12,446.44/x
  3. Step 3: Cross multiply
    22,518.70x = 31,075.23 × 12,446.44
  4. Step 4: Simplify right side
    22,518.70x = 386,775,985.68
  5. Step 5: Solve for x
    x = 386,775,985.68/22,518.70
  6. Step 6: Final answer
    x = 17,175.77

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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.