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Finding the Fourth Proportional to 21,597.08, 32,401.06 and 6,805.40

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Solution

The fourth proportional to 21,597.08, 32,401.06 and 6,805.40 is: 10,209.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,597.08 : 32,401.06 = 6,805.40 : x
  2. Step 2: Convert to fraction form
    21,597.08/32,401.06 = 6,805.40/x
  3. Step 3: Cross multiply
    21,597.08x = 32,401.06 × 6,805.40
  4. Step 4: Simplify right side
    21,597.08x = 220,502,173.72
  5. Step 5: Solve for x
    x = 220,502,173.72/21,597.08
  6. Step 6: Final answer
    x = 10,209.81

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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.