Home / 19,807.49-29,710.72-6,659.87

Finding the Fourth Proportional to 19,807.49, 29,710.72 and 6,659.87

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Solution

The fourth proportional to 19,807.49, 29,710.72 and 6,659.87 is: 9,989.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,807.49 : 29,710.72 = 6,659.87 : x
  2. Step 2: Convert to fraction form
    19,807.49/29,710.72 = 6,659.87/x
  3. Step 3: Cross multiply
    19,807.49x = 29,710.72 × 6,659.87
  4. Step 4: Simplify right side
    19,807.49x = 197,869,522.24
  5. Step 5: Solve for x
    x = 197,869,522.24/19,807.49
  6. Step 6: Final answer
    x = 9,989.63

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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.