Home / 14,534.64-20,076.12-12,642.48

Finding the Fourth Proportional to 14,534.64, 20,076.12 and 12,642.48

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Solution

The fourth proportional to 14,534.64, 20,076.12 and 12,642.48 is: 17,462.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,534.64 : 20,076.12 = 12,642.48 : x
  2. Step 2: Convert to fraction form
    14,534.64/20,076.12 = 12,642.48/x
  3. Step 3: Cross multiply
    14,534.64x = 20,076.12 × 12,642.48
  4. Step 4: Simplify right side
    14,534.64x = 253,811,945.58
  5. Step 5: Solve for x
    x = 253,811,945.58/14,534.64
  6. Step 6: Final answer
    x = 17,462.55

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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.