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Finding the Fourth Proportional to 13,610.68, 18,798.59 and 10,894.67

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Solution

The fourth proportional to 13,610.68, 18,798.59 and 10,894.67 is: 15,047.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,610.68 : 18,798.59 = 10,894.67 : x
  2. Step 2: Convert to fraction form
    13,610.68/18,798.59 = 10,894.67/x
  3. Step 3: Cross multiply
    13,610.68x = 18,798.59 × 10,894.67
  4. Step 4: Simplify right side
    13,610.68x = 204,804,434.52
  5. Step 5: Solve for x
    x = 204,804,434.52/13,610.68
  6. Step 6: Final answer
    x = 15,047.33

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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.