Home / 19,894-27,453.95-10,941.65

Finding the Fourth Proportional to 19,894, 27,453.95 and 10,941.65

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Solution

The fourth proportional to 19,894, 27,453.95 and 10,941.65 is: 15,099.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,894 : 27,453.95 = 10,941.65 : x
  2. Step 2: Convert to fraction form
    19,894/27,453.95 = 10,941.65/x
  3. Step 3: Cross multiply
    19,894x = 27,453.95 × 10,941.65
  4. Step 4: Simplify right side
    19,894x = 300,391,484.66
  5. Step 5: Solve for x
    x = 300,391,484.66/19,894
  6. Step 6: Final answer
    x = 15,099.60

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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.