Home / 13,150.63-19,726.12-4,385.55

Finding the Fourth Proportional to 13,150.63, 19,726.12 and 4,385.55

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Solution

The fourth proportional to 13,150.63, 19,726.12 and 4,385.55 is: 6,578.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,150.63 : 19,726.12 = 4,385.55 : x
  2. Step 2: Convert to fraction form
    13,150.63/19,726.12 = 4,385.55/x
  3. Step 3: Cross multiply
    13,150.63x = 19,726.12 × 4,385.55
  4. Step 4: Simplify right side
    13,150.63x = 86,509,765.01
  5. Step 5: Solve for x
    x = 86,509,765.01/13,150.63
  6. Step 6: Final answer
    x = 6,578.38

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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.