Home / 22,699.44-31,303.67-13,623.39

Finding the Fourth Proportional to 22,699.44, 31,303.67 and 13,623.39

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Solution

The fourth proportional to 22,699.44, 31,303.67 and 13,623.39 is: 18,787.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,699.44 : 31,303.67 = 13,623.39 : x
  2. Step 2: Convert to fraction form
    22,699.44/31,303.67 = 13,623.39/x
  3. Step 3: Cross multiply
    22,699.44x = 31,303.67 × 13,623.39
  4. Step 4: Simplify right side
    22,699.44x = 426,462,036.72
  5. Step 5: Solve for x
    x = 426,462,036.72/22,699.44
  6. Step 6: Final answer
    x = 18,787.34

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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.