Home / 16,508.75-22,782.12-9,435.16

Finding the Fourth Proportional to 16,508.75, 22,782.12 and 9,435.16

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Solution

The fourth proportional to 16,508.75, 22,782.12 and 9,435.16 is: 13,020.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,508.75 : 22,782.12 = 9,435.16 : x
  2. Step 2: Convert to fraction form
    16,508.75/22,782.12 = 9,435.16/x
  3. Step 3: Cross multiply
    16,508.75x = 22,782.12 × 9,435.16
  4. Step 4: Simplify right side
    16,508.75x = 214,952,947.34
  5. Step 5: Solve for x
    x = 214,952,947.34/16,508.75
  6. Step 6: Final answer
    x = 13,020.55

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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.