Home / 12,023.28-18,027.69-4,994.81

Finding the Fourth Proportional to 12,023.28, 18,027.69 and 4,994.81

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Solution

The fourth proportional to 12,023.28, 18,027.69 and 4,994.81 is: 7,489.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,023.28 : 18,027.69 = 4,994.81 : x
  2. Step 2: Convert to fraction form
    12,023.28/18,027.69 = 4,994.81/x
  3. Step 3: Cross multiply
    12,023.28x = 18,027.69 × 4,994.81
  4. Step 4: Simplify right side
    12,023.28x = 90,044,886.29
  5. Step 5: Solve for x
    x = 90,044,886.29/12,023.28
  6. Step 6: Final answer
    x = 7,489.21

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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.