Home / 13,636.80-18,837.90-10,532.88

Finding the Fourth Proportional to 13,636.80, 18,837.90 and 10,532.88

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Solution

The fourth proportional to 13,636.80, 18,837.90 and 10,532.88 is: 14,550.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,636.80 : 18,837.90 = 10,532.88 : x
  2. Step 2: Convert to fraction form
    13,636.80/18,837.90 = 10,532.88/x
  3. Step 3: Cross multiply
    13,636.80x = 18,837.90 × 10,532.88
  4. Step 4: Simplify right side
    13,636.80x = 198,417,340.15
  5. Step 5: Solve for x
    x = 198,417,340.15/13,636.80
  6. Step 6: Final answer
    x = 14,550.14

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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.