Home / 14,379.28-21,567.08-10,686.89

Finding the Fourth Proportional to 14,379.28, 21,567.08 and 10,686.89

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Solution

The fourth proportional to 14,379.28, 21,567.08 and 10,686.89 is: 16,028.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,379.28 : 21,567.08 = 10,686.89 : x
  2. Step 2: Convert to fraction form
    14,379.28/21,567.08 = 10,686.89/x
  3. Step 3: Cross multiply
    14,379.28x = 21,567.08 × 10,686.89
  4. Step 4: Simplify right side
    14,379.28x = 230,484,958.15
  5. Step 5: Solve for x
    x = 230,484,958.15/14,379.28
  6. Step 6: Final answer
    x = 16,028.97

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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.