Home / 14,410.11-21,615.10-5,638.84

Finding the Fourth Proportional to 14,410.11, 21,615.10 and 5,638.84

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Solution

The fourth proportional to 14,410.11, 21,615.10 and 5,638.84 is: 8,458.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,410.11 : 21,615.10 = 5,638.84 : x
  2. Step 2: Convert to fraction form
    14,410.11/21,615.10 = 5,638.84/x
  3. Step 3: Cross multiply
    14,410.11x = 21,615.10 × 5,638.84
  4. Step 4: Simplify right side
    14,410.11x = 121,884,090.48
  5. Step 5: Solve for x
    x = 121,884,090.48/14,410.11
  6. Step 6: Final answer
    x = 8,458.23

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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.