Home / 12,350.40-17,051.70-9,512.76

Finding the Fourth Proportional to 12,350.40, 17,051.70 and 9,512.76

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Solution

The fourth proportional to 12,350.40, 17,051.70 and 9,512.76 is: 13,133.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,350.40 : 17,051.70 = 9,512.76 : x
  2. Step 2: Convert to fraction form
    12,350.40/17,051.70 = 9,512.76/x
  3. Step 3: Cross multiply
    12,350.40x = 17,051.70 × 9,512.76
  4. Step 4: Simplify right side
    12,350.40x = 162,208,729.69
  5. Step 5: Solve for x
    x = 162,208,729.69/12,350.40
  6. Step 6: Final answer
    x = 13,133.88

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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.