Home / 14,227.72-19,635.56-7,855.45

Finding the Fourth Proportional to 14,227.72, 19,635.56 and 7,855.45

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Solution

The fourth proportional to 14,227.72, 19,635.56 and 7,855.45 is: 10,841.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,227.72 : 19,635.56 = 7,855.45 : x
  2. Step 2: Convert to fraction form
    14,227.72/19,635.56 = 7,855.45/x
  3. Step 3: Cross multiply
    14,227.72x = 19,635.56 × 7,855.45
  4. Step 4: Simplify right side
    14,227.72x = 154,246,159.80
  5. Step 5: Solve for x
    x = 154,246,159.80/14,227.72
  6. Step 6: Final answer
    x = 10,841.24

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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.