Home / 19,343.21-26,691.73-11,384.35

Finding the Fourth Proportional to 19,343.21, 26,691.73 and 11,384.35

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Solution

The fourth proportional to 19,343.21, 26,691.73 and 11,384.35 is: 15,709.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,343.21 : 26,691.73 = 11,384.35 : x
  2. Step 2: Convert to fraction form
    19,343.21/26,691.73 = 11,384.35/x
  3. Step 3: Cross multiply
    19,343.21x = 26,691.73 × 11,384.35
  4. Step 4: Simplify right side
    19,343.21x = 303,867,901.24
  5. Step 5: Solve for x
    x = 303,867,901.24/19,343.21
  6. Step 6: Final answer
    x = 15,709.28

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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.