Home / 16,820.16-23,215.94-9,750.69

Finding the Fourth Proportional to 16,820.16, 23,215.94 and 9,750.69

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Solution

The fourth proportional to 16,820.16, 23,215.94 and 9,750.69 is: 13,458.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,820.16 : 23,215.94 = 9,750.69 : x
  2. Step 2: Convert to fraction form
    16,820.16/23,215.94 = 9,750.69/x
  3. Step 3: Cross multiply
    16,820.16x = 23,215.94 × 9,750.69
  4. Step 4: Simplify right side
    16,820.16x = 226,371,385.25
  5. Step 5: Solve for x
    x = 226,371,385.25/16,820.16
  6. Step 6: Final answer
    x = 13,458.34

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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.