Home / 10,940.24-15,117.98-8,950.08

Finding the Fourth Proportional to 10,940.24, 15,117.98 and 8,950.08

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Solution

The fourth proportional to 10,940.24, 15,117.98 and 8,950.08 is: 12,367.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,940.24 : 15,117.98 = 8,950.08 : x
  2. Step 2: Convert to fraction form
    10,940.24/15,117.98 = 8,950.08/x
  3. Step 3: Cross multiply
    10,940.24x = 15,117.98 × 8,950.08
  4. Step 4: Simplify right side
    10,940.24x = 135,307,130.44
  5. Step 5: Solve for x
    x = 135,307,130.44/10,940.24
  6. Step 6: Final answer
    x = 12,367.84

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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.