Home / 14,138.64-19,502.70-10,165.14

Finding the Fourth Proportional to 14,138.64, 19,502.70 and 10,165.14

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Solution

The fourth proportional to 14,138.64, 19,502.70 and 10,165.14 is: 14,021.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,138.64 : 19,502.70 = 10,165.14 : x
  2. Step 2: Convert to fraction form
    14,138.64/19,502.70 = 10,165.14/x
  3. Step 3: Cross multiply
    14,138.64x = 19,502.70 × 10,165.14
  4. Step 4: Simplify right side
    14,138.64x = 198,247,675.88
  5. Step 5: Solve for x
    x = 198,247,675.88/14,138.64
  6. Step 6: Final answer
    x = 14,021.69

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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.