Home / 12,849.36-19,275.66-5,458.92

Finding the Fourth Proportional to 12,849.36, 19,275.66 and 5,458.92

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Solution

The fourth proportional to 12,849.36, 19,275.66 and 5,458.92 is: 8,189.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,849.36 : 19,275.66 = 5,458.92 : x
  2. Step 2: Convert to fraction form
    12,849.36/19,275.66 = 5,458.92/x
  3. Step 3: Cross multiply
    12,849.36x = 19,275.66 × 5,458.92
  4. Step 4: Simplify right side
    12,849.36x = 105,224,285.89
  5. Step 5: Solve for x
    x = 105,224,285.89/12,849.36
  6. Step 6: Final answer
    x = 8,189.07

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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.