Home / 18,570.64-25,625.82-10,612.84

Finding the Fourth Proportional to 18,570.64, 25,625.82 and 10,612.84

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Solution

The fourth proportional to 18,570.64, 25,625.82 and 10,612.84 is: 14,644.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,570.64 : 25,625.82 = 10,612.84 : x
  2. Step 2: Convert to fraction form
    18,570.64/25,625.82 = 10,612.84/x
  3. Step 3: Cross multiply
    18,570.64x = 25,625.82 × 10,612.84
  4. Step 4: Simplify right side
    18,570.64x = 271,962,727.53
  5. Step 5: Solve for x
    x = 271,962,727.53/18,570.64
  6. Step 6: Final answer
    x = 14,644.77

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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.