Home / 14,799.55-20,410.64-13,186.63

Finding the Fourth Proportional to 14,799.55, 20,410.64 and 13,186.63

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Solution

The fourth proportional to 14,799.55, 20,410.64 and 13,186.63 is: 18,186.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,799.55 : 20,410.64 = 13,186.63 : x
  2. Step 2: Convert to fraction form
    14,799.55/20,410.64 = 13,186.63/x
  3. Step 3: Cross multiply
    14,799.55x = 20,410.64 × 13,186.63
  4. Step 4: Simplify right side
    14,799.55x = 269,147,557.74
  5. Step 5: Solve for x
    x = 269,147,557.74/14,799.55
  6. Step 6: Final answer
    x = 18,186.20

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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.