Home / 19,110.66-26,378.20-11,557

Finding the Fourth Proportional to 19,110.66, 26,378.20 and 11,557

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Solution

The fourth proportional to 19,110.66, 26,378.20 and 11,557 is: 15,951.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,110.66 : 26,378.20 = 11,557 : x
  2. Step 2: Convert to fraction form
    19,110.66/26,378.20 = 11,557/x
  3. Step 3: Cross multiply
    19,110.66x = 26,378.20 × 11,557
  4. Step 4: Simplify right side
    19,110.66x = 304,852,857.40
  5. Step 5: Solve for x
    x = 304,852,857.40/19,110.66
  6. Step 6: Final answer
    x = 15,951.98

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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.