Home / 19,209.38-26,516.24-12,925.40

Finding the Fourth Proportional to 19,209.38, 26,516.24 and 12,925.40

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Solution

The fourth proportional to 19,209.38, 26,516.24 and 12,925.40 is: 17,841.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,209.38 : 26,516.24 = 12,925.40 : x
  2. Step 2: Convert to fraction form
    19,209.38/26,516.24 = 12,925.40/x
  3. Step 3: Cross multiply
    19,209.38x = 26,516.24 × 12,925.40
  4. Step 4: Simplify right side
    19,209.38x = 342,732,811.29
  5. Step 5: Solve for x
    x = 342,732,811.29/19,209.38
  6. Step 6: Final answer
    x = 17,841.96

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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.