Home / 18,217.14-25,134.70-10,665.32

Finding the Fourth Proportional to 18,217.14, 25,134.70 and 10,665.32

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Solution

The fourth proportional to 18,217.14, 25,134.70 and 10,665.32 is: 14,715.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,217.14 : 25,134.70 = 10,665.32 : x
  2. Step 2: Convert to fraction form
    18,217.14/25,134.70 = 10,665.32/x
  3. Step 3: Cross multiply
    18,217.14x = 25,134.70 × 10,665.32
  4. Step 4: Simplify right side
    18,217.14x = 268,069,618.60
  5. Step 5: Solve for x
    x = 268,069,618.60/18,217.14
  6. Step 6: Final answer
    x = 14,715.24

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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.