Home / 21,333.40-32,000.10-6,542.20

Finding the Fourth Proportional to 21,333.40, 32,000.10 and 6,542.20

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Solution

The fourth proportional to 21,333.40, 32,000.10 and 6,542.20 is: 9,813.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,333.40 : 32,000.10 = 6,542.20 : x
  2. Step 2: Convert to fraction form
    21,333.40/32,000.10 = 6,542.20/x
  3. Step 3: Cross multiply
    21,333.40x = 32,000.10 × 6,542.20
  4. Step 4: Simplify right side
    21,333.40x = 209,351,054.22
  5. Step 5: Solve for x
    x = 209,351,054.22/21,333.40
  6. Step 6: Final answer
    x = 9,813.30

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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.