Home / 12,848.79-19,276.55-5,453.55

Finding the Fourth Proportional to 12,848.79, 19,276.55 and 5,453.55

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Solution

The fourth proportional to 12,848.79, 19,276.55 and 5,453.55 is: 8,181.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,848.79 : 19,276.55 = 5,453.55 : x
  2. Step 2: Convert to fraction form
    12,848.79/19,276.55 = 5,453.55/x
  3. Step 3: Cross multiply
    12,848.79x = 19,276.55 × 5,453.55
  4. Step 4: Simplify right side
    12,848.79x = 105,125,629.25
  5. Step 5: Solve for x
    x = 105,125,629.25/12,848.79
  6. Step 6: Final answer
    x = 8,181.75

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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.