Home / 12,711.18-19,040.74-5,947.05

Finding the Fourth Proportional to 12,711.18, 19,040.74 and 5,947.05

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Solution

The fourth proportional to 12,711.18, 19,040.74 and 5,947.05 is: 8,908.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,711.18 : 19,040.74 = 5,947.05 : x
  2. Step 2: Convert to fraction form
    12,711.18/19,040.74 = 5,947.05/x
  3. Step 3: Cross multiply
    12,711.18x = 19,040.74 × 5,947.05
  4. Step 4: Simplify right side
    12,711.18x = 113,236,232.82
  5. Step 5: Solve for x
    x = 113,236,232.82/12,711.18
  6. Step 6: Final answer
    x = 8,908.40

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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.