Home / 12,739.28-19,097.52-4,946.24

Finding the Fourth Proportional to 12,739.28, 19,097.52 and 4,946.24

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Solution

The fourth proportional to 12,739.28, 19,097.52 and 4,946.24 is: 7,414.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,739.28 : 19,097.52 = 4,946.24 : x
  2. Step 2: Convert to fraction form
    12,739.28/19,097.52 = 4,946.24/x
  3. Step 3: Cross multiply
    12,739.28x = 19,097.52 × 4,946.24
  4. Step 4: Simplify right side
    12,739.28x = 94,460,917.32
  5. Step 5: Solve for x
    x = 94,460,917.32/12,739.28
  6. Step 6: Final answer
    x = 7,414.93

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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.