Home / 14,499.63-20,009.28-8,126.79

Finding the Fourth Proportional to 14,499.63, 20,009.28 and 8,126.79

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Solution

The fourth proportional to 14,499.63, 20,009.28 and 8,126.79 is: 11,214.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,499.63 : 20,009.28 = 8,126.79 : x
  2. Step 2: Convert to fraction form
    14,499.63/20,009.28 = 8,126.79/x
  3. Step 3: Cross multiply
    14,499.63x = 20,009.28 × 8,126.79
  4. Step 4: Simplify right side
    14,499.63x = 162,611,216.61
  5. Step 5: Solve for x
    x = 162,611,216.61/14,499.63
  6. Step 6: Final answer
    x = 11,214.85

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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.