Home / 12,941.78-19,407.88-4,619.56

Finding the Fourth Proportional to 12,941.78, 19,407.88 and 4,619.56

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Solution

The fourth proportional to 12,941.78, 19,407.88 and 4,619.56 is: 6,927.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,941.78 : 19,407.88 = 4,619.56 : x
  2. Step 2: Convert to fraction form
    12,941.78/19,407.88 = 4,619.56/x
  3. Step 3: Cross multiply
    12,941.78x = 19,407.88 × 4,619.56
  4. Step 4: Simplify right side
    12,941.78x = 89,655,866.13
  5. Step 5: Solve for x
    x = 89,655,866.13/12,941.78
  6. Step 6: Final answer
    x = 6,927.63

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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.