Home / 18,142.80-25,036.32-10,589.58

Finding the Fourth Proportional to 18,142.80, 25,036.32 and 10,589.58

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Solution

The fourth proportional to 18,142.80, 25,036.32 and 10,589.58 is: 14,613.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,142.80 : 25,036.32 = 10,589.58 : x
  2. Step 2: Convert to fraction form
    18,142.80/25,036.32 = 10,589.58/x
  3. Step 3: Cross multiply
    18,142.80x = 25,036.32 × 10,589.58
  4. Step 4: Simplify right side
    18,142.80x = 265,124,113.55
  5. Step 5: Solve for x
    x = 265,124,113.55/18,142.80
  6. Step 6: Final answer
    x = 14,613.19

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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.