Home / 11,966.34-16,486.80-8,774.16

Finding the Fourth Proportional to 11,966.34, 16,486.80 and 8,774.16

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Solution

The fourth proportional to 11,966.34, 16,486.80 and 8,774.16 is: 12,088.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,966.34 : 16,486.80 = 8,774.16 : x
  2. Step 2: Convert to fraction form
    11,966.34/16,486.80 = 8,774.16/x
  3. Step 3: Cross multiply
    11,966.34x = 16,486.80 × 8,774.16
  4. Step 4: Simplify right side
    11,966.34x = 144,657,821.09
  5. Step 5: Solve for x
    x = 144,657,821.09/11,966.34
  6. Step 6: Final answer
    x = 12,088.73

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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.