Home / 19,863.45-29,803.30-10,500.98

Finding the Fourth Proportional to 19,863.45, 29,803.30 and 10,500.98

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Solution

The fourth proportional to 19,863.45, 29,803.30 and 10,500.98 is: 15,755.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,863.45 : 29,803.30 = 10,500.98 : x
  2. Step 2: Convert to fraction form
    19,863.45/29,803.30 = 10,500.98/x
  3. Step 3: Cross multiply
    19,863.45x = 29,803.30 × 10,500.98
  4. Step 4: Simplify right side
    19,863.45x = 312,963,681.97
  5. Step 5: Solve for x
    x = 312,963,681.97/19,863.45
  6. Step 6: Final answer
    x = 15,755.76

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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.