Home / 18,225.76-25,157.88-10,674.52

Finding the Fourth Proportional to 18,225.76, 25,157.88 and 10,674.52

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Solution

The fourth proportional to 18,225.76, 25,157.88 and 10,674.52 is: 14,734.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,225.76 : 25,157.88 = 10,674.52 : x
  2. Step 2: Convert to fraction form
    18,225.76/25,157.88 = 10,674.52/x
  3. Step 3: Cross multiply
    18,225.76x = 25,157.88 × 10,674.52
  4. Step 4: Simplify right side
    18,225.76x = 268,548,293.22
  5. Step 5: Solve for x
    x = 268,548,293.22/18,225.76
  6. Step 6: Final answer
    x = 14,734.55

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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.