Home / 21,702.08-32,546.32-11,308.16

Finding the Fourth Proportional to 21,702.08, 32,546.32 and 11,308.16

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Solution

The fourth proportional to 21,702.08, 32,546.32 and 11,308.16 is: 16,958.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,702.08 : 32,546.32 = 11,308.16 : x
  2. Step 2: Convert to fraction form
    21,702.08/32,546.32 = 11,308.16/x
  3. Step 3: Cross multiply
    21,702.08x = 32,546.32 × 11,308.16
  4. Step 4: Simplify right side
    21,702.08x = 368,038,993.97
  5. Step 5: Solve for x
    x = 368,038,993.97/21,702.08
  6. Step 6: Final answer
    x = 16,958.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.