Home / 13,267.57-19,901.02-3,907.90

Finding the Fourth Proportional to 13,267.57, 19,901.02 and 3,907.90

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Solution

The fourth proportional to 13,267.57, 19,901.02 and 3,907.90 is: 5,861.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,267.57 : 19,901.02 = 3,907.90 : x
  2. Step 2: Convert to fraction form
    13,267.57/19,901.02 = 3,907.90/x
  3. Step 3: Cross multiply
    13,267.57x = 19,901.02 × 3,907.90
  4. Step 4: Simplify right side
    13,267.57x = 77,771,095.56
  5. Step 5: Solve for x
    x = 77,771,095.56/13,267.57
  6. Step 6: Final answer
    x = 5,861.74

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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.