Home / 18,018.92-24,852.42-15,505.24

Finding the Fourth Proportional to 18,018.92, 24,852.42 and 15,505.24

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Solution

The fourth proportional to 18,018.92, 24,852.42 and 15,505.24 is: 21,385.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,018.92 : 24,852.42 = 15,505.24 : x
  2. Step 2: Convert to fraction form
    18,018.92/24,852.42 = 15,505.24/x
  3. Step 3: Cross multiply
    18,018.92x = 24,852.42 × 15,505.24
  4. Step 4: Simplify right side
    18,018.92x = 385,342,674.55
  5. Step 5: Solve for x
    x = 385,342,674.55/18,018.92
  6. Step 6: Final answer
    x = 21,385.45

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Half scale
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Double scale
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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.