Home / 12,035.45-18,055.16-3,715.19

Finding the Fourth Proportional to 12,035.45, 18,055.16 and 3,715.19

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Solution

The fourth proportional to 12,035.45, 18,055.16 and 3,715.19 is: 5,573.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,035.45 : 18,055.16 = 3,715.19 : x
  2. Step 2: Convert to fraction form
    12,035.45/18,055.16 = 3,715.19/x
  3. Step 3: Cross multiply
    12,035.45x = 18,055.16 × 3,715.19
  4. Step 4: Simplify right side
    12,035.45x = 67,078,349.88
  5. Step 5: Solve for x
    x = 67,078,349.88/12,035.45
  6. Step 6: Final answer
    x = 5,573.40

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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.