Home / 11,750.96-16,209.78-7,271.86

Finding the Fourth Proportional to 11,750.96, 16,209.78 and 7,271.86

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Solution

The fourth proportional to 11,750.96, 16,209.78 and 7,271.86 is: 10,031.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,750.96 : 16,209.78 = 7,271.86 : x
  2. Step 2: Convert to fraction form
    11,750.96/16,209.78 = 7,271.86/x
  3. Step 3: Cross multiply
    11,750.96x = 16,209.78 × 7,271.86
  4. Step 4: Simplify right side
    11,750.96x = 117,875,250.79
  5. Step 5: Solve for x
    x = 117,875,250.79/11,750.96
  6. Step 6: Final answer
    x = 10,031.12

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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.