Home / 21,580.01-32,370.12-7,539.98

Finding the Fourth Proportional to 21,580.01, 32,370.12 and 7,539.98

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Solution

The fourth proportional to 21,580.01, 32,370.12 and 7,539.98 is: 11,310.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,580.01 : 32,370.12 = 7,539.98 : x
  2. Step 2: Convert to fraction form
    21,580.01/32,370.12 = 7,539.98/x
  3. Step 3: Cross multiply
    21,580.01x = 32,370.12 × 7,539.98
  4. Step 4: Simplify right side
    21,580.01x = 244,069,857.85
  5. Step 5: Solve for x
    x = 244,069,857.85/21,580.01
  6. Step 6: Final answer
    x = 11,310.00

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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.