Home / 17,912.40-24,717.72-9,953.92

Finding the Fourth Proportional to 17,912.40, 24,717.72 and 9,953.92

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Solution

The fourth proportional to 17,912.40, 24,717.72 and 9,953.92 is: 13,735.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,912.40 : 24,717.72 = 9,953.92 : x
  2. Step 2: Convert to fraction form
    17,912.40/24,717.72 = 9,953.92/x
  3. Step 3: Cross multiply
    17,912.40x = 24,717.72 × 9,953.92
  4. Step 4: Simplify right side
    17,912.40x = 246,038,207.46
  5. Step 5: Solve for x
    x = 246,038,207.46/17,912.40
  6. Step 6: Final answer
    x = 13,735.64

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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.