Home / 16,784.69-25,154.33-6,390.77

Finding the Fourth Proportional to 16,784.69, 25,154.33 and 6,390.77

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Solution

The fourth proportional to 16,784.69, 25,154.33 and 6,390.77 is: 9,577.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,784.69 : 25,154.33 = 6,390.77 : x
  2. Step 2: Convert to fraction form
    16,784.69/25,154.33 = 6,390.77/x
  3. Step 3: Cross multiply
    16,784.69x = 25,154.33 × 6,390.77
  4. Step 4: Simplify right side
    16,784.69x = 160,755,537.53
  5. Step 5: Solve for x
    x = 160,755,537.53/16,784.69
  6. Step 6: Final answer
    x = 9,577.51

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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.