Home / 19,403.72-29,104.77-5,552.72

Finding the Fourth Proportional to 19,403.72, 29,104.77 and 5,552.72

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Solution

The fourth proportional to 19,403.72, 29,104.77 and 5,552.72 is: 8,328.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,403.72 : 29,104.77 = 5,552.72 : x
  2. Step 2: Convert to fraction form
    19,403.72/29,104.77 = 5,552.72/x
  3. Step 3: Cross multiply
    19,403.72x = 29,104.77 × 5,552.72
  4. Step 4: Simplify right side
    19,403.72x = 161,610,465.19
  5. Step 5: Solve for x
    x = 161,610,465.19/19,403.72
  6. Step 6: Final answer
    x = 8,328.84

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1.5x scale

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.