Home / 15,623.63-21,534.38-11,845.58

Finding the Fourth Proportional to 15,623.63, 21,534.38 and 11,845.58

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Solution

The fourth proportional to 15,623.63, 21,534.38 and 11,845.58 is: 16,327.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,623.63 : 21,534.38 = 11,845.58 : x
  2. Step 2: Convert to fraction form
    15,623.63/21,534.38 = 11,845.58/x
  3. Step 3: Cross multiply
    15,623.63x = 21,534.38 × 11,845.58
  4. Step 4: Simplify right side
    15,623.63x = 255,087,260.07
  5. Step 5: Solve for x
    x = 255,087,260.07/15,623.63
  6. Step 6: Final answer
    x = 16,327.02

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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.