Home / 22,339.01-30,825.65-12,907.37

Finding the Fourth Proportional to 22,339.01, 30,825.65 and 12,907.37

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Solution

The fourth proportional to 22,339.01, 30,825.65 and 12,907.37 is: 17,810.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,339.01 : 30,825.65 = 12,907.37 : x
  2. Step 2: Convert to fraction form
    22,339.01/30,825.65 = 12,907.37/x
  3. Step 3: Cross multiply
    22,339.01x = 30,825.65 × 12,907.37
  4. Step 4: Simplify right side
    22,339.01x = 397,878,070.04
  5. Step 5: Solve for x
    x = 397,878,070.04/22,339.01
  6. Step 6: Final answer
    x = 17,810.91

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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.