Home / 14,113.84-21,155.44-9,186.96

Finding the Fourth Proportional to 14,113.84, 21,155.44 and 9,186.96

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Solution

The fourth proportional to 14,113.84, 21,155.44 and 9,186.96 is: 13,770.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,113.84 : 21,155.44 = 9,186.96 : x
  2. Step 2: Convert to fraction form
    14,113.84/21,155.44 = 9,186.96/x
  3. Step 3: Cross multiply
    14,113.84x = 21,155.44 × 9,186.96
  4. Step 4: Simplify right side
    14,113.84x = 194,354,181.06
  5. Step 5: Solve for x
    x = 194,354,181.06/14,113.84
  6. Step 6: Final answer
    x = 13,770.47

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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.