Home / 14,015.61-21,033.27-12,675.66

Finding the Fourth Proportional to 14,015.61, 21,033.27 and 12,675.66

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Solution

The fourth proportional to 14,015.61, 21,033.27 and 12,675.66 is: 19,022.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,015.61 : 21,033.27 = 12,675.66 : x
  2. Step 2: Convert to fraction form
    14,015.61/21,033.27 = 12,675.66/x
  3. Step 3: Cross multiply
    14,015.61x = 21,033.27 × 12,675.66
  4. Step 4: Simplify right side
    14,015.61x = 266,610,539.77
  5. Step 5: Solve for x
    x = 266,610,539.77/14,015.61
  6. Step 6: Final answer
    x = 19,022.40

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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.