Home / 15,326.72-22,989.32-9,005.12

Finding the Fourth Proportional to 15,326.72, 22,989.32 and 9,005.12

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Solution

The fourth proportional to 15,326.72, 22,989.32 and 9,005.12 is: 13,507.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,326.72 : 22,989.32 = 9,005.12 : x
  2. Step 2: Convert to fraction form
    15,326.72/22,989.32 = 9,005.12/x
  3. Step 3: Cross multiply
    15,326.72x = 22,989.32 × 9,005.12
  4. Step 4: Simplify right side
    15,326.72x = 207,021,585.32
  5. Step 5: Solve for x
    x = 207,021,585.32/15,326.72
  6. Step 6: Final answer
    x = 13,507.23

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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.