Home / 18,316-25,257.54-14,947.96

Finding the Fourth Proportional to 18,316, 25,257.54 and 14,947.96

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Solution

The fourth proportional to 18,316, 25,257.54 and 14,947.96 is: 20,613.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,316 : 25,257.54 = 14,947.96 : x
  2. Step 2: Convert to fraction form
    18,316/25,257.54 = 14,947.96/x
  3. Step 3: Cross multiply
    18,316x = 25,257.54 × 14,947.96
  4. Step 4: Simplify right side
    18,316x = 377,548,697.62
  5. Step 5: Solve for x
    x = 377,548,697.62/18,316
  6. Step 6: Final answer
    x = 20,613.05

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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.