Home / 14,567.09-21,834.10-12,808.69

Finding the Fourth Proportional to 14,567.09, 21,834.10 and 12,808.69

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Solution

The fourth proportional to 14,567.09, 21,834.10 and 12,808.69 is: 19,198.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,567.09 : 21,834.10 = 12,808.69 : x
  2. Step 2: Convert to fraction form
    14,567.09/21,834.10 = 12,808.69/x
  3. Step 3: Cross multiply
    14,567.09x = 21,834.10 × 12,808.69
  4. Step 4: Simplify right side
    14,567.09x = 279,666,131.72
  5. Step 5: Solve for x
    x = 279,666,131.72/14,567.09
  6. Step 6: Final answer
    x = 19,198.50

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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.