Home / 12,504.79-18,749.25-6,263.11

Finding the Fourth Proportional to 12,504.79, 18,749.25 and 6,263.11

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Solution

The fourth proportional to 12,504.79, 18,749.25 and 6,263.11 is: 9,390.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,504.79 : 18,749.25 = 6,263.11 : x
  2. Step 2: Convert to fraction form
    12,504.79/18,749.25 = 6,263.11/x
  3. Step 3: Cross multiply
    12,504.79x = 18,749.25 × 6,263.11
  4. Step 4: Simplify right side
    12,504.79x = 117,428,615.17
  5. Step 5: Solve for x
    x = 117,428,615.17/12,504.79
  6. Step 6: Final answer
    x = 9,390.69

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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.