Home / 12,607.14-18,903.88-4,283.79

Finding the Fourth Proportional to 12,607.14, 18,903.88 and 4,283.79

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Solution

The fourth proportional to 12,607.14, 18,903.88 and 4,283.79 is: 6,423.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,607.14 : 18,903.88 = 4,283.79 : x
  2. Step 2: Convert to fraction form
    12,607.14/18,903.88 = 4,283.79/x
  3. Step 3: Cross multiply
    12,607.14x = 18,903.88 × 4,283.79
  4. Step 4: Simplify right side
    12,607.14x = 80,980,186.57
  5. Step 5: Solve for x
    x = 80,980,186.57/12,607.14
  6. Step 6: Final answer
    x = 6,423.36

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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.