Home / 14,087.39-19,440.43-7,713.91

Finding the Fourth Proportional to 14,087.39, 19,440.43 and 7,713.91

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Solution

The fourth proportional to 14,087.39, 19,440.43 and 7,713.91 is: 10,645.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,087.39 : 19,440.43 = 7,713.91 : x
  2. Step 2: Convert to fraction form
    14,087.39/19,440.43 = 7,713.91/x
  3. Step 3: Cross multiply
    14,087.39x = 19,440.43 × 7,713.91
  4. Step 4: Simplify right side
    14,087.39x = 149,961,727.38
  5. Step 5: Solve for x
    x = 149,961,727.38/14,087.39
  6. Step 6: Final answer
    x = 10,645.10

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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.