Home / 18,245.43-27,417.60-9,931.59

Finding the Fourth Proportional to 18,245.43, 27,417.60 and 9,931.59

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Solution

The fourth proportional to 18,245.43, 27,417.60 and 9,931.59 is: 14,924.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,245.43 : 27,417.60 = 9,931.59 : x
  2. Step 2: Convert to fraction form
    18,245.43/27,417.60 = 9,931.59/x
  3. Step 3: Cross multiply
    18,245.43x = 27,417.60 × 9,931.59
  4. Step 4: Simplify right side
    18,245.43x = 272,300,361.98
  5. Step 5: Solve for x
    x = 272,300,361.98/18,245.43
  6. Step 6: Final answer
    x = 14,924.30

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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.