Home / 18,646.53-25,732.82-10,690.26

Finding the Fourth Proportional to 18,646.53, 25,732.82 and 10,690.26

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Solution

The fourth proportional to 18,646.53, 25,732.82 and 10,690.26 is: 14,752.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,646.53 : 25,732.82 = 10,690.26 : x
  2. Step 2: Convert to fraction form
    18,646.53/25,732.82 = 10,690.26/x
  3. Step 3: Cross multiply
    18,646.53x = 25,732.82 × 10,690.26
  4. Step 4: Simplify right side
    18,646.53x = 275,090,482.88
  5. Step 5: Solve for x
    x = 275,090,482.88/18,646.53
  6. Step 6: Final answer
    x = 14,752.90

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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.