Home / 12,351.13-17,037.61-7,812.41

Finding the Fourth Proportional to 12,351.13, 17,037.61 and 7,812.41

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Solution

The fourth proportional to 12,351.13, 17,037.61 and 7,812.41 is: 10,776.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,351.13 : 17,037.61 = 7,812.41 : x
  2. Step 2: Convert to fraction form
    12,351.13/17,037.61 = 7,812.41/x
  3. Step 3: Cross multiply
    12,351.13x = 17,037.61 × 7,812.41
  4. Step 4: Simplify right side
    12,351.13x = 133,104,690.02
  5. Step 5: Solve for x
    x = 133,104,690.02/12,351.13
  6. Step 6: Final answer
    x = 10,776.72

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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.