Home / 13,535.50-18,684.08-10,188

Finding the Fourth Proportional to 13,535.50, 18,684.08 and 10,188

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Solution

The fourth proportional to 13,535.50, 18,684.08 and 10,188 is: 14,063.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,535.50 : 18,684.08 = 10,188 : x
  2. Step 2: Convert to fraction form
    13,535.50/18,684.08 = 10,188/x
  3. Step 3: Cross multiply
    13,535.50x = 18,684.08 × 10,188
  4. Step 4: Simplify right side
    13,535.50x = 190,353,407.04
  5. Step 5: Solve for x
    x = 190,353,407.04/13,535.50
  6. Step 6: Final answer
    x = 14,063.27

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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.