Home / 15,606.24-21,539.16-9,322.32

Finding the Fourth Proportional to 15,606.24, 21,539.16 and 9,322.32

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Solution

The fourth proportional to 15,606.24, 21,539.16 and 9,322.32 is: 12,866.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,606.24 : 21,539.16 = 9,322.32 : x
  2. Step 2: Convert to fraction form
    15,606.24/21,539.16 = 9,322.32/x
  3. Step 3: Cross multiply
    15,606.24x = 21,539.16 × 9,322.32
  4. Step 4: Simplify right side
    15,606.24x = 200,794,942.05
  5. Step 5: Solve for x
    x = 200,794,942.05/15,606.24
  6. Step 6: Final answer
    x = 12,866.32

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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.