Home / 19,530.79-29,297.71-6,384.49

Finding the Fourth Proportional to 19,530.79, 29,297.71 and 6,384.49

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Solution

The fourth proportional to 19,530.79, 29,297.71 and 6,384.49 is: 9,577.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,530.79 : 29,297.71 = 6,384.49 : x
  2. Step 2: Convert to fraction form
    19,530.79/29,297.71 = 6,384.49/x
  3. Step 3: Cross multiply
    19,530.79x = 29,297.71 × 6,384.49
  4. Step 4: Simplify right side
    19,530.79x = 187,050,936.52
  5. Step 5: Solve for x
    x = 187,050,936.52/19,530.79
  6. Step 6: Final answer
    x = 9,577.23

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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.