Home / 13,312.44-19,884.87-9,771.12

Finding the Fourth Proportional to 13,312.44, 19,884.87 and 9,771.12

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Solution

The fourth proportional to 13,312.44, 19,884.87 and 9,771.12 is: 14,595.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,312.44 : 19,884.87 = 9,771.12 : x
  2. Step 2: Convert to fraction form
    13,312.44/19,884.87 = 9,771.12/x
  3. Step 3: Cross multiply
    13,312.44x = 19,884.87 × 9,771.12
  4. Step 4: Simplify right side
    13,312.44x = 194,297,450.95
  5. Step 5: Solve for x
    x = 194,297,450.95/13,312.44
  6. Step 6: Final answer
    x = 14,595.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.