Home / 13,925.36-19,217.44-7,637.72

Finding the Fourth Proportional to 13,925.36, 19,217.44 and 7,637.72

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Solution

The fourth proportional to 13,925.36, 19,217.44 and 7,637.72 is: 10,540.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,925.36 : 19,217.44 = 7,637.72 : x
  2. Step 2: Convert to fraction form
    13,925.36/19,217.44 = 7,637.72/x
  3. Step 3: Cross multiply
    13,925.36x = 19,217.44 × 7,637.72
  4. Step 4: Simplify right side
    13,925.36x = 146,777,425.84
  5. Step 5: Solve for x
    x = 146,777,425.84/13,925.36
  6. Step 6: Final answer
    x = 10,540.30

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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.