Home / 13,925.40-19,212.36-7,952.88

Finding the Fourth Proportional to 13,925.40, 19,212.36 and 7,952.88

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Solution

The fourth proportional to 13,925.40, 19,212.36 and 7,952.88 is: 10,972.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,925.40 : 19,212.36 = 7,952.88 : x
  2. Step 2: Convert to fraction form
    13,925.40/19,212.36 = 7,952.88/x
  3. Step 3: Cross multiply
    13,925.40x = 19,212.36 × 7,952.88
  4. Step 4: Simplify right side
    13,925.40x = 152,793,593.60
  5. Step 5: Solve for x
    x = 152,793,593.60/13,925.40
  6. Step 6: Final answer
    x = 10,972.29

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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.