Home / 12,695.48-17,502.98-10,418.52

Finding the Fourth Proportional to 12,695.48, 17,502.98 and 10,418.52

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Solution

The fourth proportional to 12,695.48, 17,502.98 and 10,418.52 is: 14,363.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,695.48 : 17,502.98 = 10,418.52 : x
  2. Step 2: Convert to fraction form
    12,695.48/17,502.98 = 10,418.52/x
  3. Step 3: Cross multiply
    12,695.48x = 17,502.98 × 10,418.52
  4. Step 4: Simplify right side
    12,695.48x = 182,355,147.19
  5. Step 5: Solve for x
    x = 182,355,147.19/12,695.48
  6. Step 6: Final answer
    x = 14,363.79

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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.