Home / 18,269.34-25,188.72-14,908.74

Finding the Fourth Proportional to 18,269.34, 25,188.72 and 14,908.74

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Solution

The fourth proportional to 18,269.34, 25,188.72 and 14,908.74 is: 20,555.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,269.34 : 25,188.72 = 14,908.74 : x
  2. Step 2: Convert to fraction form
    18,269.34/25,188.72 = 14,908.74/x
  3. Step 3: Cross multiply
    18,269.34x = 25,188.72 × 14,908.74
  4. Step 4: Simplify right side
    18,269.34x = 375,532,077.41
  5. Step 5: Solve for x
    x = 375,532,077.41/18,269.34
  6. Step 6: Final answer
    x = 20,555.32

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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.