Home / 18,642.12-25,736.58-14,327.16

Finding the Fourth Proportional to 18,642.12, 25,736.58 and 14,327.16

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Solution

The fourth proportional to 18,642.12, 25,736.58 and 14,327.16 is: 19,779.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,642.12 : 25,736.58 = 14,327.16 : x
  2. Step 2: Convert to fraction form
    18,642.12/25,736.58 = 14,327.16/x
  3. Step 3: Cross multiply
    18,642.12x = 25,736.58 × 14,327.16
  4. Step 4: Simplify right side
    18,642.12x = 368,732,099.51
  5. Step 5: Solve for x
    x = 368,732,099.51/18,642.12
  6. Step 6: Final answer
    x = 19,779.52

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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.