Home / 18,285.66-25,234.26-9,902.16

Finding the Fourth Proportional to 18,285.66, 25,234.26 and 9,902.16

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Solution

The fourth proportional to 18,285.66, 25,234.26 and 9,902.16 is: 13,665.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,285.66 : 25,234.26 = 9,902.16 : x
  2. Step 2: Convert to fraction form
    18,285.66/25,234.26 = 9,902.16/x
  3. Step 3: Cross multiply
    18,285.66x = 25,234.26 × 9,902.16
  4. Step 4: Simplify right side
    18,285.66x = 249,873,680.00
  5. Step 5: Solve for x
    x = 249,873,680.00/18,285.66
  6. Step 6: Final answer
    x = 13,665.01

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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.