Home / 19,286.32-28,931.79-6,803.76

Finding the Fourth Proportional to 19,286.32, 28,931.79 and 6,803.76

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Solution

The fourth proportional to 19,286.32, 28,931.79 and 6,803.76 is: 10,206.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,286.32 : 28,931.79 = 6,803.76 : x
  2. Step 2: Convert to fraction form
    19,286.32/28,931.79 = 6,803.76/x
  3. Step 3: Cross multiply
    19,286.32x = 28,931.79 × 6,803.76
  4. Step 4: Simplify right side
    19,286.32x = 196,845,070.40
  5. Step 5: Solve for x
    x = 196,845,070.40/19,286.32
  6. Step 6: Final answer
    x = 10,206.46

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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.