Home / 12,718.68-17,548.83-11,037.12

Finding the Fourth Proportional to 12,718.68, 17,548.83 and 11,037.12

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Solution

The fourth proportional to 12,718.68, 17,548.83 and 11,037.12 is: 15,228.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,718.68 : 17,548.83 = 11,037.12 : x
  2. Step 2: Convert to fraction form
    12,718.68/17,548.83 = 11,037.12/x
  3. Step 3: Cross multiply
    12,718.68x = 17,548.83 × 11,037.12
  4. Step 4: Simplify right side
    12,718.68x = 193,688,542.57
  5. Step 5: Solve for x
    x = 193,688,542.57/12,718.68
  6. Step 6: Final answer
    x = 15,228.67

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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.