Home / 19,003.50-26,226.45-10,621.62

Finding the Fourth Proportional to 19,003.50, 26,226.45 and 10,621.62

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Solution

The fourth proportional to 19,003.50, 26,226.45 and 10,621.62 is: 14,658.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,003.50 : 26,226.45 = 10,621.62 : x
  2. Step 2: Convert to fraction form
    19,003.50/26,226.45 = 10,621.62/x
  3. Step 3: Cross multiply
    19,003.50x = 26,226.45 × 10,621.62
  4. Step 4: Simplify right side
    19,003.50x = 278,567,385.85
  5. Step 5: Solve for x
    x = 278,567,385.85/19,003.50
  6. Step 6: Final answer
    x = 14,658.74

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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.