Home / 17,748.68-26,639.42-8,989.74

Finding the Fourth Proportional to 17,748.68, 26,639.42 and 8,989.74

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Solution

The fourth proportional to 17,748.68, 26,639.42 and 8,989.74 is: 13,492.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,748.68 : 26,639.42 = 8,989.74 : x
  2. Step 2: Convert to fraction form
    17,748.68/26,639.42 = 8,989.74/x
  3. Step 3: Cross multiply
    17,748.68x = 26,639.42 × 8,989.74
  4. Step 4: Simplify right side
    17,748.68x = 239,481,459.55
  5. Step 5: Solve for x
    x = 239,481,459.55/17,748.68
  6. Step 6: Final answer
    x = 13,492.92

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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.