Home / 21,335.30-32,009.10-6,546.40

Finding the Fourth Proportional to 21,335.30, 32,009.10 and 6,546.40

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Solution

The fourth proportional to 21,335.30, 32,009.10 and 6,546.40 is: 9,821.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,335.30 : 32,009.10 = 6,546.40 : x
  2. Step 2: Convert to fraction form
    21,335.30/32,009.10 = 6,546.40/x
  3. Step 3: Cross multiply
    21,335.30x = 32,009.10 × 6,546.40
  4. Step 4: Simplify right side
    21,335.30x = 209,544,372.24
  5. Step 5: Solve for x
    x = 209,544,372.24/21,335.30
  6. Step 6: Final answer
    x = 9,821.49

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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.