Home / 14,165.10-19,544.40-8,195.58

Finding the Fourth Proportional to 14,165.10, 19,544.40 and 8,195.58

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Solution

The fourth proportional to 14,165.10, 19,544.40 and 8,195.58 is: 11,307.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,165.10 : 19,544.40 = 8,195.58 : x
  2. Step 2: Convert to fraction form
    14,165.10/19,544.40 = 8,195.58/x
  3. Step 3: Cross multiply
    14,165.10x = 19,544.40 × 8,195.58
  4. Step 4: Simplify right side
    14,165.10x = 160,177,693.75
  5. Step 5: Solve for x
    x = 160,177,693.75/14,165.10
  6. Step 6: Final answer
    x = 11,307.91

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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.