Home / 10,980.41-15,153.03-6,135.14

Finding the Fourth Proportional to 10,980.41, 15,153.03 and 6,135.14

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Solution

The fourth proportional to 10,980.41, 15,153.03 and 6,135.14 is: 8,466.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,980.41 : 15,153.03 = 6,135.14 : x
  2. Step 2: Convert to fraction form
    10,980.41/15,153.03 = 6,135.14/x
  3. Step 3: Cross multiply
    10,980.41x = 15,153.03 × 6,135.14
  4. Step 4: Simplify right side
    10,980.41x = 92,965,884.71
  5. Step 5: Solve for x
    x = 92,965,884.71/10,980.41
  6. Step 6: Final answer
    x = 8,466.53

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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.