Home / 11,622.12-16,038.48-6,316.95

Finding the Fourth Proportional to 11,622.12, 16,038.48 and 6,316.95

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Solution

The fourth proportional to 11,622.12, 16,038.48 and 6,316.95 is: 8,717.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,622.12 : 16,038.48 = 6,316.95 : x
  2. Step 2: Convert to fraction form
    11,622.12/16,038.48 = 6,316.95/x
  3. Step 3: Cross multiply
    11,622.12x = 16,038.48 × 6,316.95
  4. Step 4: Simplify right side
    11,622.12x = 101,314,276.24
  5. Step 5: Solve for x
    x = 101,314,276.24/11,622.12
  6. Step 6: Final answer
    x = 8,717.37

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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.