Home / 16,516.04-22,790.58-13,379.72

Finding the Fourth Proportional to 16,516.04, 22,790.58 and 13,379.72

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Solution

The fourth proportional to 16,516.04, 22,790.58 and 13,379.72 is: 18,462.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,516.04 : 22,790.58 = 13,379.72 : x
  2. Step 2: Convert to fraction form
    16,516.04/22,790.58 = 13,379.72/x
  3. Step 3: Cross multiply
    16,516.04x = 22,790.58 × 13,379.72
  4. Step 4: Simplify right side
    16,516.04x = 304,931,579.04
  5. Step 5: Solve for x
    x = 304,931,579.04/16,516.04
  6. Step 6: Final answer
    x = 18,462.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.