Home / 18,630.42-25,707.82-10,672.18

Finding the Fourth Proportional to 18,630.42, 25,707.82 and 10,672.18

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Solution

The fourth proportional to 18,630.42, 25,707.82 and 10,672.18 is: 14,726.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,630.42 : 25,707.82 = 10,672.18 : x
  2. Step 2: Convert to fraction form
    18,630.42/25,707.82 = 10,672.18/x
  3. Step 3: Cross multiply
    18,630.42x = 25,707.82 × 10,672.18
  4. Step 4: Simplify right side
    18,630.42x = 274,358,482.45
  5. Step 5: Solve for x
    x = 274,358,482.45/18,630.42
  6. Step 6: Final answer
    x = 14,726.37

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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.