Home / 21,134.10-31,700.46-10,048.80

Finding the Fourth Proportional to 21,134.10, 31,700.46 and 10,048.80

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Solution

The fourth proportional to 21,134.10, 31,700.46 and 10,048.80 is: 15,072.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,134.10 : 31,700.46 = 10,048.80 : x
  2. Step 2: Convert to fraction form
    21,134.10/31,700.46 = 10,048.80/x
  3. Step 3: Cross multiply
    21,134.10x = 31,700.46 × 10,048.80
  4. Step 4: Simplify right side
    21,134.10x = 318,551,582.45
  5. Step 5: Solve for x
    x = 318,551,582.45/21,134.10
  6. Step 6: Final answer
    x = 15,072.87

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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.