Home / 12,474.36-18,711.29-4,154.99

Finding the Fourth Proportional to 12,474.36, 18,711.29 and 4,154.99

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Solution

The fourth proportional to 12,474.36, 18,711.29 and 4,154.99 is: 6,232.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,474.36 : 18,711.29 = 4,154.99 : x
  2. Step 2: Convert to fraction form
    12,474.36/18,711.29 = 4,154.99/x
  3. Step 3: Cross multiply
    12,474.36x = 18,711.29 × 4,154.99
  4. Step 4: Simplify right side
    12,474.36x = 77,745,108.51
  5. Step 5: Solve for x
    x = 77,745,108.51/12,474.36
  6. Step 6: Final answer
    x = 6,232.39

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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.