Home / 19,384.38-26,750.79-10,999.98

Finding the Fourth Proportional to 19,384.38, 26,750.79 and 10,999.98

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Solution

The fourth proportional to 19,384.38, 26,750.79 and 10,999.98 is: 15,180.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,384.38 : 26,750.79 = 10,999.98 : x
  2. Step 2: Convert to fraction form
    19,384.38/26,750.79 = 10,999.98/x
  3. Step 3: Cross multiply
    19,384.38x = 26,750.79 × 10,999.98
  4. Step 4: Simplify right side
    19,384.38x = 294,258,154.98
  5. Step 5: Solve for x
    x = 294,258,154.98/19,384.38
  6. Step 6: Final answer
    x = 15,180.17

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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.