Home / 16,820.16-23,211.82-9,750.68

Finding the Fourth Proportional to 16,820.16, 23,211.82 and 9,750.68

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Solution

The fourth proportional to 16,820.16, 23,211.82 and 9,750.68 is: 13,455.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,820.16 : 23,211.82 = 9,750.68 : x
  2. Step 2: Convert to fraction form
    16,820.16/23,211.82 = 9,750.68/x
  3. Step 3: Cross multiply
    16,820.16x = 23,211.82 × 9,750.68
  4. Step 4: Simplify right side
    16,820.16x = 226,330,957.36
  5. Step 5: Solve for x
    x = 226,330,957.36/16,820.16
  6. Step 6: Final answer
    x = 13,455.94

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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.