Home / 12,749.28-19,112.58-4,956.27

Finding the Fourth Proportional to 12,749.28, 19,112.58 and 4,956.27

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Solution

The fourth proportional to 12,749.28, 19,112.58 and 4,956.27 is: 7,430.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,749.28 : 19,112.58 = 4,956.27 : x
  2. Step 2: Convert to fraction form
    12,749.28/19,112.58 = 4,956.27/x
  3. Step 3: Cross multiply
    12,749.28x = 19,112.58 × 4,956.27
  4. Step 4: Simplify right side
    12,749.28x = 94,727,106.88
  5. Step 5: Solve for x
    x = 94,727,106.88/12,749.28
  6. Step 6: Final answer
    x = 7,430.00

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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.