Home / 14,145.28-19,515.84-8,554.24

Finding the Fourth Proportional to 14,145.28, 19,515.84 and 8,554.24

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Solution

The fourth proportional to 14,145.28, 19,515.84 and 8,554.24 is: 11,802.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,145.28 : 19,515.84 = 8,554.24 : x
  2. Step 2: Convert to fraction form
    14,145.28/19,515.84 = 8,554.24/x
  3. Step 3: Cross multiply
    14,145.28x = 19,515.84 × 8,554.24
  4. Step 4: Simplify right side
    14,145.28x = 166,943,179.16
  5. Step 5: Solve for x
    x = 166,943,179.16/14,145.28
  6. Step 6: Final answer
    x = 11,802.04

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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.