Home / 12,501.54-18,735.91-9,199.17

Finding the Fourth Proportional to 12,501.54, 18,735.91 and 9,199.17

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Solution

The fourth proportional to 12,501.54, 18,735.91 and 9,199.17 is: 13,786.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,501.54 : 18,735.91 = 9,199.17 : x
  2. Step 2: Convert to fraction form
    12,501.54/18,735.91 = 9,199.17/x
  3. Step 3: Cross multiply
    12,501.54x = 18,735.91 × 9,199.17
  4. Step 4: Simplify right side
    12,501.54x = 172,354,798.20
  5. Step 5: Solve for x
    x = 172,354,798.20/12,501.54
  6. Step 6: Final answer
    x = 13,786.69

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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.