Home / 10,252.98-15,379.47-3,681.09

Finding the Fourth Proportional to 10,252.98, 15,379.47 and 3,681.09

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Solution

The fourth proportional to 10,252.98, 15,379.47 and 3,681.09 is: 5,521.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,252.98 : 15,379.47 = 3,681.09 : x
  2. Step 2: Convert to fraction form
    10,252.98/15,379.47 = 3,681.09/x
  3. Step 3: Cross multiply
    10,252.98x = 15,379.47 × 3,681.09
  4. Step 4: Simplify right side
    10,252.98x = 56,613,213.22
  5. Step 5: Solve for x
    x = 56,613,213.22/10,252.98
  6. Step 6: Final answer
    x = 5,521.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.