Home / 16,721.36-23,077.39-9,552.40

Finding the Fourth Proportional to 16,721.36, 23,077.39 and 9,552.40

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Solution

The fourth proportional to 16,721.36, 23,077.39 and 9,552.40 is: 13,183.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,721.36 : 23,077.39 = 9,552.40 : x
  2. Step 2: Convert to fraction form
    16,721.36/23,077.39 = 9,552.40/x
  3. Step 3: Cross multiply
    16,721.36x = 23,077.39 × 9,552.40
  4. Step 4: Simplify right side
    16,721.36x = 220,444,501.02
  5. Step 5: Solve for x
    x = 220,444,501.02/16,721.36
  6. Step 6: Final answer
    x = 13,183.41

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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.