Home / 10,087.08-15,137.58-3,513.32

Finding the Fourth Proportional to 10,087.08, 15,137.58 and 3,513.32

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Solution

The fourth proportional to 10,087.08, 15,137.58 and 3,513.32 is: 5,272.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,087.08 : 15,137.58 = 3,513.32 : x
  2. Step 2: Convert to fraction form
    10,087.08/15,137.58 = 3,513.32/x
  3. Step 3: Cross multiply
    10,087.08x = 15,137.58 × 3,513.32
  4. Step 4: Simplify right side
    10,087.08x = 53,183,162.57
  5. Step 5: Solve for x
    x = 53,183,162.57/10,087.08
  6. Step 6: Final answer
    x = 5,272.40

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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.