Home / 22,748.98-31,392.32-12,539.68

Finding the Fourth Proportional to 22,748.98, 31,392.32 and 12,539.68

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Solution

The fourth proportional to 22,748.98, 31,392.32 and 12,539.68 is: 17,304.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,748.98 : 31,392.32 = 12,539.68 : x
  2. Step 2: Convert to fraction form
    22,748.98/31,392.32 = 12,539.68/x
  3. Step 3: Cross multiply
    22,748.98x = 31,392.32 × 12,539.68
  4. Step 4: Simplify right side
    22,748.98x = 393,649,647.26
  5. Step 5: Solve for x
    x = 393,649,647.26/22,748.98
  6. Step 6: Final answer
    x = 17,304.06

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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.