Home / 18,653.86-25,742.28-10,270.36

Finding the Fourth Proportional to 18,653.86, 25,742.28 and 10,270.36

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Solution

The fourth proportional to 18,653.86, 25,742.28 and 10,270.36 is: 14,173.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,653.86 : 25,742.28 = 10,270.36 : x
  2. Step 2: Convert to fraction form
    18,653.86/25,742.28 = 10,270.36/x
  3. Step 3: Cross multiply
    18,653.86x = 25,742.28 × 10,270.36
  4. Step 4: Simplify right side
    18,653.86x = 264,382,482.82
  5. Step 5: Solve for x
    x = 264,382,482.82/18,653.86
  6. Step 6: Final answer
    x = 14,173.07

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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.