Home / 16,939.13-23,386.97-10,892.09

Finding the Fourth Proportional to 16,939.13, 23,386.97 and 10,892.09

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Solution

The fourth proportional to 16,939.13, 23,386.97 and 10,892.09 is: 15,038.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,939.13 : 23,386.97 = 10,892.09 : x
  2. Step 2: Convert to fraction form
    16,939.13/23,386.97 = 10,892.09/x
  3. Step 3: Cross multiply
    16,939.13x = 23,386.97 × 10,892.09
  4. Step 4: Simplify right side
    16,939.13x = 254,732,810.67
  5. Step 5: Solve for x
    x = 254,732,810.67/16,939.13
  6. Step 6: Final answer
    x = 15,038.13

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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.