Home / 22,730.98-31,372.49-14,236.32

Finding the Fourth Proportional to 22,730.98, 31,372.49 and 14,236.32

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Solution

The fourth proportional to 22,730.98, 31,372.49 and 14,236.32 is: 19,648.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,730.98 : 31,372.49 = 14,236.32 : x
  2. Step 2: Convert to fraction form
    22,730.98/31,372.49 = 14,236.32/x
  3. Step 3: Cross multiply
    22,730.98x = 31,372.49 × 14,236.32
  4. Step 4: Simplify right side
    22,730.98x = 446,628,806.84
  5. Step 5: Solve for x
    x = 446,628,806.84/22,730.98
  6. Step 6: Final answer
    x = 19,648.46

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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.