Home / 21,620.62-32,384.05-10,503.98

Finding the Fourth Proportional to 21,620.62, 32,384.05 and 10,503.98

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Solution

The fourth proportional to 21,620.62, 32,384.05 and 10,503.98 is: 15,733.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,620.62 : 32,384.05 = 10,503.98 : x
  2. Step 2: Convert to fraction form
    21,620.62/32,384.05 = 10,503.98/x
  3. Step 3: Cross multiply
    21,620.62x = 32,384.05 × 10,503.98
  4. Step 4: Simplify right side
    21,620.62x = 340,161,199.08
  5. Step 5: Solve for x
    x = 340,161,199.08/21,620.62
  6. Step 6: Final answer
    x = 15,733.19

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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.