Home / 10,126.05-15,196.86-6,615.11

Finding the Fourth Proportional to 10,126.05, 15,196.86 and 6,615.11

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Solution

The fourth proportional to 10,126.05, 15,196.86 and 6,615.11 is: 9,927.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,126.05 : 15,196.86 = 6,615.11 : x
  2. Step 2: Convert to fraction form
    10,126.05/15,196.86 = 6,615.11/x
  3. Step 3: Cross multiply
    10,126.05x = 15,196.86 × 6,615.11
  4. Step 4: Simplify right side
    10,126.05x = 100,528,824.57
  5. Step 5: Solve for x
    x = 100,528,824.57/10,126.05
  6. Step 6: Final answer
    x = 9,927.74

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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.