Home / 13,965.64-19,250.08-11,443.30

Finding the Fourth Proportional to 13,965.64, 19,250.08 and 11,443.30

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Solution

The fourth proportional to 13,965.64, 19,250.08 and 11,443.30 is: 15,773.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,965.64 : 19,250.08 = 11,443.30 : x
  2. Step 2: Convert to fraction form
    13,965.64/19,250.08 = 11,443.30/x
  3. Step 3: Cross multiply
    13,965.64x = 19,250.08 × 11,443.30
  4. Step 4: Simplify right side
    13,965.64x = 220,284,440.46
  5. Step 5: Solve for x
    x = 220,284,440.46/13,965.64
  6. Step 6: Final answer
    x = 15,773.32

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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.