Home / 19,566.96-29,347.56-6,429.84

Finding the Fourth Proportional to 19,566.96, 29,347.56 and 6,429.84

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Solution

The fourth proportional to 19,566.96, 29,347.56 and 6,429.84 is: 9,643.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,566.96 : 29,347.56 = 6,429.84 : x
  2. Step 2: Convert to fraction form
    19,566.96/29,347.56 = 6,429.84/x
  3. Step 3: Cross multiply
    19,566.96x = 29,347.56 × 6,429.84
  4. Step 4: Simplify right side
    19,566.96x = 188,700,115.19
  5. Step 5: Solve for x
    x = 188,700,115.19/19,566.96
  6. Step 6: Final answer
    x = 9,643.81

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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.