Home / 11,311.95-15,610.53-6,276.16

Finding the Fourth Proportional to 11,311.95, 15,610.53 and 6,276.16

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Solution

The fourth proportional to 11,311.95, 15,610.53 and 6,276.16 is: 8,661.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,311.95 : 15,610.53 = 6,276.16 : x
  2. Step 2: Convert to fraction form
    11,311.95/15,610.53 = 6,276.16/x
  3. Step 3: Cross multiply
    11,311.95x = 15,610.53 × 6,276.16
  4. Step 4: Simplify right side
    11,311.95x = 97,974,105.91
  5. Step 5: Solve for x
    x = 97,974,105.91/11,311.95
  6. Step 6: Final answer
    x = 8,661.12

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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.