Home / 13,133.20-19,700.06-7,326.76

Finding the Fourth Proportional to 13,133.20, 19,700.06 and 7,326.76

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Solution

The fourth proportional to 13,133.20, 19,700.06 and 7,326.76 is: 10,990.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,133.20 : 19,700.06 = 7,326.76 : x
  2. Step 2: Convert to fraction form
    13,133.20/19,700.06 = 7,326.76/x
  3. Step 3: Cross multiply
    13,133.20x = 19,700.06 × 7,326.76
  4. Step 4: Simplify right side
    13,133.20x = 144,337,611.61
  5. Step 5: Solve for x
    x = 144,337,611.61/13,133.20
  6. Step 6: Final answer
    x = 10,990.29

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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.