Home / 9,239.11-12,749.98-5,047.36

Finding the Fourth Proportional to 9,239.11, 12,749.98 and 5,047.36

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Solution

The fourth proportional to 9,239.11, 12,749.98 and 5,047.36 is: 6,965.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,239.11 : 12,749.98 = 5,047.36 : x
  2. Step 2: Convert to fraction form
    9,239.11/12,749.98 = 5,047.36/x
  3. Step 3: Cross multiply
    9,239.11x = 12,749.98 × 5,047.36
  4. Step 4: Simplify right side
    9,239.11x = 64,353,739.05
  5. Step 5: Solve for x
    x = 64,353,739.05/9,239.11
  6. Step 6: Final answer
    x = 6,965.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.