Home / 19,605.61-29,403.99-5,565.34

Finding the Fourth Proportional to 19,605.61, 29,403.99 and 5,565.34

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Solution

The fourth proportional to 19,605.61, 29,403.99 and 5,565.34 is: 8,346.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,605.61 : 29,403.99 = 5,565.34 : x
  2. Step 2: Convert to fraction form
    19,605.61/29,403.99 = 5,565.34/x
  3. Step 3: Cross multiply
    19,605.61x = 29,403.99 × 5,565.34
  4. Step 4: Simplify right side
    19,605.61x = 163,643,128.20
  5. Step 5: Solve for x
    x = 163,643,128.20/19,605.61
  6. Step 6: Final answer
    x = 8,346.75

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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.