Home / 19,385.55-29,078.34-6,237.92

Finding the Fourth Proportional to 19,385.55, 29,078.34 and 6,237.92

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Solution

The fourth proportional to 19,385.55, 29,078.34 and 6,237.92 is: 9,356.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,385.55 : 29,078.34 = 6,237.92 : x
  2. Step 2: Convert to fraction form
    19,385.55/29,078.34 = 6,237.92/x
  3. Step 3: Cross multiply
    19,385.55x = 29,078.34 × 6,237.92
  4. Step 4: Simplify right side
    19,385.55x = 181,388,483.94
  5. Step 5: Solve for x
    x = 181,388,483.94/19,385.55
  6. Step 6: Final answer
    x = 9,356.89

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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.