Home / 15,436.96-21,303.99-9,467.82

Finding the Fourth Proportional to 15,436.96, 21,303.99 and 9,467.82

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Solution

The fourth proportional to 15,436.96, 21,303.99 and 9,467.82 is: 13,066.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,436.96 : 21,303.99 = 9,467.82 : x
  2. Step 2: Convert to fraction form
    15,436.96/21,303.99 = 9,467.82/x
  3. Step 3: Cross multiply
    15,436.96x = 21,303.99 × 9,467.82
  4. Step 4: Simplify right side
    15,436.96x = 201,702,342.60
  5. Step 5: Solve for x
    x = 201,702,342.60/15,436.96
  6. Step 6: Final answer
    x = 13,066.20

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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.