Home / 12,499.39-18,749.08-5,102.54

Finding the Fourth Proportional to 12,499.39, 18,749.08 and 5,102.54

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Solution

The fourth proportional to 12,499.39, 18,749.08 and 5,102.54 is: 7,653.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,499.39 : 18,749.08 = 5,102.54 : x
  2. Step 2: Convert to fraction form
    12,499.39/18,749.08 = 5,102.54/x
  3. Step 3: Cross multiply
    12,499.39x = 18,749.08 × 5,102.54
  4. Step 4: Simplify right side
    12,499.39x = 95,668,026.24
  5. Step 5: Solve for x
    x = 95,668,026.24/12,499.39
  6. Step 6: Final answer
    x = 7,653.82

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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.