Home / 12,254.49-18,384.80-3,935.34

Finding the Fourth Proportional to 12,254.49, 18,384.80 and 3,935.34

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Solution

The fourth proportional to 12,254.49, 18,384.80 and 3,935.34 is: 5,903.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,254.49 : 18,384.80 = 3,935.34 : x
  2. Step 2: Convert to fraction form
    12,254.49/18,384.80 = 3,935.34/x
  3. Step 3: Cross multiply
    12,254.49x = 18,384.80 × 3,935.34
  4. Step 4: Simplify right side
    12,254.49x = 72,350,419.16
  5. Step 5: Solve for x
    x = 72,350,419.16/12,254.49
  6. Step 6: Final answer
    x = 5,903.99

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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.