Home / 19,185.40-26,472.78-10,800.28

Finding the Fourth Proportional to 19,185.40, 26,472.78 and 10,800.28

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Solution

The fourth proportional to 19,185.40, 26,472.78 and 10,800.28 is: 14,902.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,185.40 : 26,472.78 = 10,800.28 : x
  2. Step 2: Convert to fraction form
    19,185.40/26,472.78 = 10,800.28/x
  3. Step 3: Cross multiply
    19,185.40x = 26,472.78 × 10,800.28
  4. Step 4: Simplify right side
    19,185.40x = 285,913,436.38
  5. Step 5: Solve for x
    x = 285,913,436.38/19,185.40
  6. Step 6: Final answer
    x = 14,902.66

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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.