Home / 18,012.60-27,018.86-4,864.94

Finding the Fourth Proportional to 18,012.60, 27,018.86 and 4,864.94

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Solution

The fourth proportional to 18,012.60, 27,018.86 and 4,864.94 is: 7,297.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,012.60 : 27,018.86 = 4,864.94 : x
  2. Step 2: Convert to fraction form
    18,012.60/27,018.86 = 4,864.94/x
  3. Step 3: Cross multiply
    18,012.60x = 27,018.86 × 4,864.94
  4. Step 4: Simplify right side
    18,012.60x = 131,445,132.77
  5. Step 5: Solve for x
    x = 131,445,132.77/18,012.60
  6. Step 6: Final answer
    x = 7,297.40

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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.