Home / 13,331.98-20,000.70-5,011.98

Finding the Fourth Proportional to 13,331.98, 20,000.70 and 5,011.98

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Solution

The fourth proportional to 13,331.98, 20,000.70 and 5,011.98 is: 7,519.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,331.98 : 20,000.70 = 5,011.98 : x
  2. Step 2: Convert to fraction form
    13,331.98/20,000.70 = 5,011.98/x
  3. Step 3: Cross multiply
    13,331.98x = 20,000.70 × 5,011.98
  4. Step 4: Simplify right side
    13,331.98x = 100,243,108.39
  5. Step 5: Solve for x
    x = 100,243,108.39/13,331.98
  6. Step 6: Final answer
    x = 7,519.00

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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.