Home / 12,871.44-19,313.19-4,557.74

Finding the Fourth Proportional to 12,871.44, 19,313.19 and 4,557.74

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Solution

The fourth proportional to 12,871.44, 19,313.19 and 4,557.74 is: 6,838.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,871.44 : 19,313.19 = 4,557.74 : x
  2. Step 2: Convert to fraction form
    12,871.44/19,313.19 = 4,557.74/x
  3. Step 3: Cross multiply
    12,871.44x = 19,313.19 × 4,557.74
  4. Step 4: Simplify right side
    12,871.44x = 88,024,402.02
  5. Step 5: Solve for x
    x = 88,024,402.02/12,871.44
  6. Step 6: Final answer
    x = 6,838.74

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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.