Home / 12,747.96-19,114.59-4,947.66

Finding the Fourth Proportional to 12,747.96, 19,114.59 and 4,947.66

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Solution

The fourth proportional to 12,747.96, 19,114.59 and 4,947.66 is: 7,418.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,747.96 : 19,114.59 = 4,947.66 : x
  2. Step 2: Convert to fraction form
    12,747.96/19,114.59 = 4,947.66/x
  3. Step 3: Cross multiply
    12,747.96x = 19,114.59 × 4,947.66
  4. Step 4: Simplify right side
    12,747.96x = 94,572,492.36
  5. Step 5: Solve for x
    x = 94,572,492.36/12,747.96
  6. Step 6: Final answer
    x = 7,418.64

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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.