Home / 12,340.43-17,028.74-7,303.76

Finding the Fourth Proportional to 12,340.43, 17,028.74 and 7,303.76

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Solution

The fourth proportional to 12,340.43, 17,028.74 and 7,303.76 is: 10,078.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,340.43 : 17,028.74 = 7,303.76 : x
  2. Step 2: Convert to fraction form
    12,340.43/17,028.74 = 7,303.76/x
  3. Step 3: Cross multiply
    12,340.43x = 17,028.74 × 7,303.76
  4. Step 4: Simplify right side
    12,340.43x = 124,373,830.06
  5. Step 5: Solve for x
    x = 124,373,830.06/12,340.43
  6. Step 6: Final answer
    x = 10,078.57

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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.