Home / 19,569.11-29,357.91-6,420.98

Finding the Fourth Proportional to 19,569.11, 29,357.91 and 6,420.98

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Solution

The fourth proportional to 19,569.11, 29,357.91 and 6,420.98 is: 9,632.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,569.11 : 29,357.91 = 6,420.98 : x
  2. Step 2: Convert to fraction form
    19,569.11/29,357.91 = 6,420.98/x
  3. Step 3: Cross multiply
    19,569.11x = 29,357.91 × 6,420.98
  4. Step 4: Simplify right side
    19,569.11x = 188,506,406.16
  5. Step 5: Solve for x
    x = 188,506,406.16/19,569.11
  6. Step 6: Final answer
    x = 9,632.86

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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.