Home / 12,087.05-18,119.63-4,294.04

Finding the Fourth Proportional to 12,087.05, 18,119.63 and 4,294.04

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Solution

The fourth proportional to 12,087.05, 18,119.63 and 4,294.04 is: 6,437.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,087.05 : 18,119.63 = 4,294.04 : x
  2. Step 2: Convert to fraction form
    12,087.05/18,119.63 = 4,294.04/x
  3. Step 3: Cross multiply
    12,087.05x = 18,119.63 × 4,294.04
  4. Step 4: Simplify right side
    12,087.05x = 77,806,303.94
  5. Step 5: Solve for x
    x = 77,806,303.94/12,087.05
  6. Step 6: Final answer
    x = 6,437.17

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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.