Home / 10,087.05-15,130.77-3,675.39

Finding the Fourth Proportional to 10,087.05, 15,130.77 and 3,675.39

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Solution

The fourth proportional to 10,087.05, 15,130.77 and 3,675.39 is: 5,513.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,087.05 : 15,130.77 = 3,675.39 : x
  2. Step 2: Convert to fraction form
    10,087.05/15,130.77 = 3,675.39/x
  3. Step 3: Cross multiply
    10,087.05x = 15,130.77 × 3,675.39
  4. Step 4: Simplify right side
    10,087.05x = 55,611,480.75
  5. Step 5: Solve for x
    x = 55,611,480.75/10,087.05
  6. Step 6: Final answer
    x = 5,513.16

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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.