Home / 13,677.76-18,857.03-10,260.24

Finding the Fourth Proportional to 13,677.76, 18,857.03 and 10,260.24

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Solution

The fourth proportional to 13,677.76, 18,857.03 and 10,260.24 is: 14,145.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,677.76 : 18,857.03 = 10,260.24 : x
  2. Step 2: Convert to fraction form
    13,677.76/18,857.03 = 10,260.24/x
  3. Step 3: Cross multiply
    13,677.76x = 18,857.03 × 10,260.24
  4. Step 4: Simplify right side
    13,677.76x = 193,477,602.19
  5. Step 5: Solve for x
    x = 193,477,602.19/13,677.76
  6. Step 6: Final answer
    x = 14,145.42

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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.