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Finding the Fourth Proportional to 12,695.24, 17,502.63 and 10,418.24

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Solution

The fourth proportional to 12,695.24, 17,502.63 and 10,418.24 is: 14,363.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,695.24 : 17,502.63 = 10,418.24 : x
  2. Step 2: Convert to fraction form
    12,695.24/17,502.63 = 10,418.24/x
  3. Step 3: Cross multiply
    12,695.24x = 17,502.63 × 10,418.24
  4. Step 4: Simplify right side
    12,695.24x = 182,346,599.97
  5. Step 5: Solve for x
    x = 182,346,599.97/12,695.24
  6. Step 6: Final answer
    x = 14,363.38

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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.