Home / 15,500.24-21,296.98-12,350.96

Finding the Fourth Proportional to 15,500.24, 21,296.98 and 12,350.96

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Solution

The fourth proportional to 15,500.24, 21,296.98 and 12,350.96 is: 16,969.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,500.24 : 21,296.98 = 12,350.96 : x
  2. Step 2: Convert to fraction form
    15,500.24/21,296.98 = 12,350.96/x
  3. Step 3: Cross multiply
    15,500.24x = 21,296.98 × 12,350.96
  4. Step 4: Simplify right side
    15,500.24x = 263,038,148.10
  5. Step 5: Solve for x
    x = 263,038,148.10/15,500.24
  6. Step 6: Final answer
    x = 16,969.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.