Home / 19,778.19-29,605.37-10,984.83

Finding the Fourth Proportional to 19,778.19, 29,605.37 and 10,984.83

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Solution

The fourth proportional to 19,778.19, 29,605.37 and 10,984.83 is: 16,442.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,778.19 : 29,605.37 = 10,984.83 : x
  2. Step 2: Convert to fraction form
    19,778.19/29,605.37 = 10,984.83/x
  3. Step 3: Cross multiply
    19,778.19x = 29,605.37 × 10,984.83
  4. Step 4: Simplify right side
    19,778.19x = 325,209,901.61
  5. Step 5: Solve for x
    x = 325,209,901.61/19,778.19
  6. Step 6: Final answer
    x = 16,442.85

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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.