Home / 14,560.28-20,090.49-8,186.06

Finding the Fourth Proportional to 14,560.28, 20,090.49 and 8,186.06

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Solution

The fourth proportional to 14,560.28, 20,090.49 and 8,186.06 is: 11,295.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,560.28 : 20,090.49 = 8,186.06 : x
  2. Step 2: Convert to fraction form
    14,560.28/20,090.49 = 8,186.06/x
  3. Step 3: Cross multiply
    14,560.28x = 20,090.49 × 8,186.06
  4. Step 4: Simplify right side
    14,560.28x = 164,461,856.12
  5. Step 5: Solve for x
    x = 164,461,856.12/14,560.28
  6. Step 6: Final answer
    x = 11,295.24

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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.