Home / 13,924.79-19,216.65-7,637.75

Finding the Fourth Proportional to 13,924.79, 19,216.65 and 7,637.75

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Solution

The fourth proportional to 13,924.79, 19,216.65 and 7,637.75 is: 10,540.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,924.79 : 19,216.65 = 7,637.75 : x
  2. Step 2: Convert to fraction form
    13,924.79/19,216.65 = 7,637.75/x
  3. Step 3: Cross multiply
    13,924.79x = 19,216.65 × 7,637.75
  4. Step 4: Simplify right side
    13,924.79x = 146,771,872.45
  5. Step 5: Solve for x
    x = 146,771,872.45/13,924.79
  6. Step 6: Final answer
    x = 10,540.33

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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.