Home / 16,920.48-23,343.12-11,333.28

Finding the Fourth Proportional to 16,920.48, 23,343.12 and 11,333.28

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Solution

The fourth proportional to 16,920.48, 23,343.12 and 11,333.28 is: 15,635.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,920.48 : 23,343.12 = 11,333.28 : x
  2. Step 2: Convert to fraction form
    16,920.48/23,343.12 = 11,333.28/x
  3. Step 3: Cross multiply
    16,920.48x = 23,343.12 × 11,333.28
  4. Step 4: Simplify right side
    16,920.48x = 264,554,115.03
  5. Step 5: Solve for x
    x = 264,554,115.03/16,920.48
  6. Step 6: Final answer
    x = 15,635.14

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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.