Home / 14,124.96-21,187.44-5,357.79

Finding the Fourth Proportional to 14,124.96, 21,187.44 and 5,357.79

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Solution

The fourth proportional to 14,124.96, 21,187.44 and 5,357.79 is: 8,036.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,124.96 : 21,187.44 = 5,357.79 : x
  2. Step 2: Convert to fraction form
    14,124.96/21,187.44 = 5,357.79/x
  3. Step 3: Cross multiply
    14,124.96x = 21,187.44 × 5,357.79
  4. Step 4: Simplify right side
    14,124.96x = 113,517,854.16
  5. Step 5: Solve for x
    x = 113,517,854.16/14,124.96
  6. Step 6: Final answer
    x = 8,036.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.