Home / 10,971.42-15,137.91-6,253.98

Finding the Fourth Proportional to 10,971.42, 15,137.91 and 6,253.98

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Solution

The fourth proportional to 10,971.42, 15,137.91 and 6,253.98 is: 8,628.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,971.42 : 15,137.91 = 6,253.98 : x
  2. Step 2: Convert to fraction form
    10,971.42/15,137.91 = 6,253.98/x
  3. Step 3: Cross multiply
    10,971.42x = 15,137.91 × 6,253.98
  4. Step 4: Simplify right side
    10,971.42x = 94,672,186.38
  5. Step 5: Solve for x
    x = 94,672,186.38/10,971.42
  6. Step 6: Final answer
    x = 8,628.98

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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.