Home / 12,037.08-18,031.05-7,091.76

Finding the Fourth Proportional to 12,037.08, 18,031.05 and 7,091.76

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Solution

The fourth proportional to 12,037.08, 18,031.05 and 7,091.76 is: 10,623.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,037.08 : 18,031.05 = 7,091.76 : x
  2. Step 2: Convert to fraction form
    12,037.08/18,031.05 = 7,091.76/x
  3. Step 3: Cross multiply
    12,037.08x = 18,031.05 × 7,091.76
  4. Step 4: Simplify right side
    12,037.08x = 127,871,879.15
  5. Step 5: Solve for x
    x = 127,871,879.15/12,037.08
  6. Step 6: Final answer
    x = 10,623.16

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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.