Home / 19,994.32-29,991.64-9,613.36

Finding the Fourth Proportional to 19,994.32, 29,991.64 and 9,613.36

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Solution

The fourth proportional to 19,994.32, 29,991.64 and 9,613.36 is: 14,420.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,994.32 : 29,991.64 = 9,613.36 : x
  2. Step 2: Convert to fraction form
    19,994.32/29,991.64 = 9,613.36/x
  3. Step 3: Cross multiply
    19,994.32x = 29,991.64 × 9,613.36
  4. Step 4: Simplify right side
    19,994.32x = 288,320,432.31
  5. Step 5: Solve for x
    x = 288,320,432.31/19,994.32
  6. Step 6: Final answer
    x = 14,420.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.