Home / 13,965.28-19,266.06-7,992.34

Finding the Fourth Proportional to 13,965.28, 19,266.06 and 7,992.34

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Solution

The fourth proportional to 13,965.28, 19,266.06 and 7,992.34 is: 11,025.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,965.28 : 19,266.06 = 7,992.34 : x
  2. Step 2: Convert to fraction form
    13,965.28/19,266.06 = 7,992.34/x
  3. Step 3: Cross multiply
    13,965.28x = 19,266.06 × 7,992.34
  4. Step 4: Simplify right side
    13,965.28x = 153,980,901.98
  5. Step 5: Solve for x
    x = 153,980,901.98/13,965.28
  6. Step 6: Final answer
    x = 11,025.98

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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.