Home / 17,936.68-24,752.28-9,978.88

Finding the Fourth Proportional to 17,936.68, 24,752.28 and 9,978.88

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Solution

The fourth proportional to 17,936.68, 24,752.28 and 9,978.88 is: 13,770.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,936.68 : 24,752.28 = 9,978.88 : x
  2. Step 2: Convert to fraction form
    17,936.68/24,752.28 = 9,978.88/x
  3. Step 3: Cross multiply
    17,936.68x = 24,752.28 × 9,978.88
  4. Step 4: Simplify right side
    17,936.68x = 247,000,031.85
  5. Step 5: Solve for x
    x = 247,000,031.85/17,936.68
  6. Step 6: Final answer
    x = 13,770.67

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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.