Home / 13,513.68-18,631.98-10,330.92

Finding the Fourth Proportional to 13,513.68, 18,631.98 and 10,330.92

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Solution

The fourth proportional to 13,513.68, 18,631.98 and 10,330.92 is: 14,243.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,513.68 : 18,631.98 = 10,330.92 : x
  2. Step 2: Convert to fraction form
    13,513.68/18,631.98 = 10,330.92/x
  3. Step 3: Cross multiply
    13,513.68x = 18,631.98 × 10,330.92
  4. Step 4: Simplify right side
    13,513.68x = 192,485,494.82
  5. Step 5: Solve for x
    x = 192,485,494.82/13,513.68
  6. Step 6: Final answer
    x = 14,243.75

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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.