Home / 21,996.04-30,352.98-12,437.50

Finding the Fourth Proportional to 21,996.04, 30,352.98 and 12,437.50

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Solution

The fourth proportional to 21,996.04, 30,352.98 and 12,437.50 is: 17,162.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,996.04 : 30,352.98 = 12,437.50 : x
  2. Step 2: Convert to fraction form
    21,996.04/30,352.98 = 12,437.50/x
  3. Step 3: Cross multiply
    21,996.04x = 30,352.98 × 12,437.50
  4. Step 4: Simplify right side
    21,996.04x = 377,515,188.75
  5. Step 5: Solve for x
    x = 377,515,188.75/21,996.04
  6. Step 6: Final answer
    x = 17,162.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.