Home / 25,981.18-38,946.71-11,950.82

Finding the Fourth Proportional to 25,981.18, 38,946.71 and 11,950.82

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Solution

The fourth proportional to 25,981.18, 38,946.71 and 11,950.82 is: 17,914.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,981.18 : 38,946.71 = 11,950.82 : x
  2. Step 2: Convert to fraction form
    25,981.18/38,946.71 = 11,950.82/x
  3. Step 3: Cross multiply
    25,981.18x = 38,946.71 × 11,950.82
  4. Step 4: Simplify right side
    25,981.18x = 465,444,866.31
  5. Step 5: Solve for x
    x = 465,444,866.31/25,981.18
  6. Step 6: Final answer
    x = 17,914.69

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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.