Home / 12,913.60-19,366.04-4,146.36

Finding the Fourth Proportional to 12,913.60, 19,366.04 and 4,146.36

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Solution

The fourth proportional to 12,913.60, 19,366.04 and 4,146.36 is: 6,218.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,913.60 : 19,366.04 = 4,146.36 : x
  2. Step 2: Convert to fraction form
    12,913.60/19,366.04 = 4,146.36/x
  3. Step 3: Cross multiply
    12,913.60x = 19,366.04 × 4,146.36
  4. Step 4: Simplify right side
    12,913.60x = 80,298,573.61
  5. Step 5: Solve for x
    x = 80,298,573.61/12,913.60
  6. Step 6: Final answer
    x = 6,218.14

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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.