Home / 14,567.07-21,857.89-6,669.57

Finding the Fourth Proportional to 14,567.07, 21,857.89 and 6,669.57

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Solution

The fourth proportional to 14,567.07, 21,857.89 and 6,669.57 is: 10,007.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,567.07 : 21,857.89 = 6,669.57 : x
  2. Step 2: Convert to fraction form
    14,567.07/21,857.89 = 6,669.57/x
  3. Step 3: Cross multiply
    14,567.07x = 21,857.89 × 6,669.57
  4. Step 4: Simplify right side
    14,567.07x = 145,782,727.41
  5. Step 5: Solve for x
    x = 145,782,727.41/14,567.07
  6. Step 6: Final answer
    x = 10,007.69

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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.