Home / 22,609.95-31,203.32-12,539.35

Finding the Fourth Proportional to 22,609.95, 31,203.32 and 12,539.35

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Solution

The fourth proportional to 22,609.95, 31,203.32 and 12,539.35 is: 17,305.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,609.95 : 31,203.32 = 12,539.35 : x
  2. Step 2: Convert to fraction form
    22,609.95/31,203.32 = 12,539.35/x
  3. Step 3: Cross multiply
    22,609.95x = 31,203.32 × 12,539.35
  4. Step 4: Simplify right side
    22,609.95x = 391,269,350.64
  5. Step 5: Solve for x
    x = 391,269,350.64/22,609.95
  6. Step 6: Final answer
    x = 17,305.18

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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.