Home / 15,923.12-21,950.20-10,256.74

Finding the Fourth Proportional to 15,923.12, 21,950.20 and 10,256.74

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Solution

The fourth proportional to 15,923.12, 21,950.20 and 10,256.74 is: 14,139.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,923.12 : 21,950.20 = 10,256.74 : x
  2. Step 2: Convert to fraction form
    15,923.12/21,950.20 = 10,256.74/x
  3. Step 3: Cross multiply
    15,923.12x = 21,950.20 × 10,256.74
  4. Step 4: Simplify right side
    15,923.12x = 225,137,494.35
  5. Step 5: Solve for x
    x = 225,137,494.35/15,923.12
  6. Step 6: Final answer
    x = 14,139.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.