Home / 15,950.36-23,903.64-8,142.80

Finding the Fourth Proportional to 15,950.36, 23,903.64 and 8,142.80

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Solution

The fourth proportional to 15,950.36, 23,903.64 and 8,142.80 is: 12,203.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,950.36 : 23,903.64 = 8,142.80 : x
  2. Step 2: Convert to fraction form
    15,950.36/23,903.64 = 8,142.80/x
  3. Step 3: Cross multiply
    15,950.36x = 23,903.64 × 8,142.80
  4. Step 4: Simplify right side
    15,950.36x = 194,642,559.79
  5. Step 5: Solve for x
    x = 194,642,559.79/15,950.36
  6. Step 6: Final answer
    x = 12,203.02

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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.