Home / 22,519.36-31,075.07-12,447.24

Finding the Fourth Proportional to 22,519.36, 31,075.07 and 12,447.24

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Solution

The fourth proportional to 22,519.36, 31,075.07 and 12,447.24 is: 17,176.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,519.36 : 31,075.07 = 12,447.24 : x
  2. Step 2: Convert to fraction form
    22,519.36/31,075.07 = 12,447.24/x
  3. Step 3: Cross multiply
    22,519.36x = 31,075.07 × 12,447.24
  4. Step 4: Simplify right side
    22,519.36x = 386,798,854.31
  5. Step 5: Solve for x
    x = 386,798,854.31/22,519.36
  6. Step 6: Final answer
    x = 17,176.28

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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.