Home / 16,816.78-23,207.31-9,263.13

Finding the Fourth Proportional to 16,816.78, 23,207.31 and 9,263.13

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Solution

The fourth proportional to 16,816.78, 23,207.31 and 9,263.13 is: 12,783.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,816.78 : 23,207.31 = 9,263.13 : x
  2. Step 2: Convert to fraction form
    16,816.78/23,207.31 = 9,263.13/x
  3. Step 3: Cross multiply
    16,816.78x = 23,207.31 × 9,263.13
  4. Step 4: Simplify right side
    16,816.78x = 214,972,364.34
  5. Step 5: Solve for x
    x = 214,972,364.34/16,816.78
  6. Step 6: Final answer
    x = 12,783.21

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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.