Home / 17,890.64-24,689.30-9,933.60

Finding the Fourth Proportional to 17,890.64, 24,689.30 and 9,933.60

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Solution

The fourth proportional to 17,890.64, 24,689.30 and 9,933.60 is: 13,708.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,890.64 : 24,689.30 = 9,933.60 : x
  2. Step 2: Convert to fraction form
    17,890.64/24,689.30 = 9,933.60/x
  3. Step 3: Cross multiply
    17,890.64x = 24,689.30 × 9,933.60
  4. Step 4: Simplify right side
    17,890.64x = 245,253,630.48
  5. Step 5: Solve for x
    x = 245,253,630.48/17,890.64
  6. Step 6: Final answer
    x = 13,708.49

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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.