Home / 12,935.48-19,405.02-4,167.44

Finding the Fourth Proportional to 12,935.48, 19,405.02 and 4,167.44

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Solution

The fourth proportional to 12,935.48, 19,405.02 and 4,167.44 is: 6,251.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,935.48 : 19,405.02 = 4,167.44 : x
  2. Step 2: Convert to fraction form
    12,935.48/19,405.02 = 4,167.44/x
  3. Step 3: Cross multiply
    12,935.48x = 19,405.02 × 4,167.44
  4. Step 4: Simplify right side
    12,935.48x = 80,869,256.55
  5. Step 5: Solve for x
    x = 80,869,256.55/12,935.48
  6. Step 6: Final answer
    x = 6,251.74

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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.