Home / 13,331.50-19,981.34-6,206.15

Finding the Fourth Proportional to 13,331.50, 19,981.34 and 6,206.15

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Solution

The fourth proportional to 13,331.50, 19,981.34 and 6,206.15 is: 9,301.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,331.50 : 19,981.34 = 6,206.15 : x
  2. Step 2: Convert to fraction form
    13,331.50/19,981.34 = 6,206.15/x
  3. Step 3: Cross multiply
    13,331.50x = 19,981.34 × 6,206.15
  4. Step 4: Simplify right side
    13,331.50x = 124,007,193.24
  5. Step 5: Solve for x
    x = 124,007,193.24/13,331.50
  6. Step 6: Final answer
    x = 9,301.82

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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.