Home / 13,124.83-19,686.97-4,359.82

Finding the Fourth Proportional to 13,124.83, 19,686.97 and 4,359.82

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Solution

The fourth proportional to 13,124.83, 19,686.97 and 4,359.82 is: 6,539.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,124.83 : 19,686.97 = 4,359.82 : x
  2. Step 2: Convert to fraction form
    13,124.83/19,686.97 = 4,359.82/x
  3. Step 3: Cross multiply
    13,124.83x = 19,686.97 × 4,359.82
  4. Step 4: Simplify right side
    13,124.83x = 85,831,645.55
  5. Step 5: Solve for x
    x = 85,831,645.55/13,124.83
  6. Step 6: Final answer
    x = 6,539.64

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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.