Home / 18,852.90-28,267.72-6,371.74

Finding the Fourth Proportional to 18,852.90, 28,267.72 and 6,371.74

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Solution

The fourth proportional to 18,852.90, 28,267.72 and 6,371.74 is: 9,553.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,852.90 : 28,267.72 = 6,371.74 : x
  2. Step 2: Convert to fraction form
    18,852.90/28,267.72 = 6,371.74/x
  3. Step 3: Cross multiply
    18,852.90x = 28,267.72 × 6,371.74
  4. Step 4: Simplify right side
    18,852.90x = 180,114,562.23
  5. Step 5: Solve for x
    x = 180,114,562.23/18,852.90
  6. Step 6: Final answer
    x = 9,553.68

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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.