Home / 16,929.09-25,387.16-9,995.49

Finding the Fourth Proportional to 16,929.09, 25,387.16 and 9,995.49

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Solution

The fourth proportional to 16,929.09, 25,387.16 and 9,995.49 is: 14,989.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,929.09 : 25,387.16 = 9,995.49 : x
  2. Step 2: Convert to fraction form
    16,929.09/25,387.16 = 9,995.49/x
  3. Step 3: Cross multiply
    16,929.09x = 25,387.16 × 9,995.49
  4. Step 4: Simplify right side
    16,929.09x = 253,757,053.93
  5. Step 5: Solve for x
    x = 253,757,053.93/16,929.09
  6. Step 6: Final answer
    x = 14,989.41

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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.