Home / 12,677.31-19,017.26-4,356.24

Finding the Fourth Proportional to 12,677.31, 19,017.26 and 4,356.24

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Solution

The fourth proportional to 12,677.31, 19,017.26 and 4,356.24 is: 6,534.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,677.31 : 19,017.26 = 4,356.24 : x
  2. Step 2: Convert to fraction form
    12,677.31/19,017.26 = 4,356.24/x
  3. Step 3: Cross multiply
    12,677.31x = 19,017.26 × 4,356.24
  4. Step 4: Simplify right side
    12,677.31x = 82,843,726.92
  5. Step 5: Solve for x
    x = 82,843,726.92/12,677.31
  6. Step 6: Final answer
    x = 6,534.80

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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.