Home / 20,539.23-30,808.84-7,392.66

Finding the Fourth Proportional to 20,539.23, 30,808.84 and 7,392.66

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Solution

The fourth proportional to 20,539.23, 30,808.84 and 7,392.66 is: 11,088.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,539.23 : 30,808.84 = 7,392.66 : x
  2. Step 2: Convert to fraction form
    20,539.23/30,808.84 = 7,392.66/x
  3. Step 3: Cross multiply
    20,539.23x = 30,808.84 × 7,392.66
  4. Step 4: Simplify right side
    20,539.23x = 227,759,279.11
  5. Step 5: Solve for x
    x = 227,759,279.11/20,539.23
  6. Step 6: Final answer
    x = 11,088.99

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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.