Home / 13,666.08-20,486.05-5,343.33

Finding the Fourth Proportional to 13,666.08, 20,486.05 and 5,343.33

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Solution

The fourth proportional to 13,666.08, 20,486.05 and 5,343.33 is: 8,009.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,666.08 : 20,486.05 = 5,343.33 : x
  2. Step 2: Convert to fraction form
    13,666.08/20,486.05 = 5,343.33/x
  3. Step 3: Cross multiply
    13,666.08x = 20,486.05 × 5,343.33
  4. Step 4: Simplify right side
    13,666.08x = 109,463,712.19
  5. Step 5: Solve for x
    x = 109,463,712.19/13,666.08
  6. Step 6: Final answer
    x = 8,009.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.