Home / 18,215.64-27,301.32-9,875.88

Finding the Fourth Proportional to 18,215.64, 27,301.32 and 9,875.88

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Solution

The fourth proportional to 18,215.64, 27,301.32 and 9,875.88 is: 14,801.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,215.64 : 27,301.32 = 9,875.88 : x
  2. Step 2: Convert to fraction form
    18,215.64/27,301.32 = 9,875.88/x
  3. Step 3: Cross multiply
    18,215.64x = 27,301.32 × 9,875.88
  4. Step 4: Simplify right side
    18,215.64x = 269,624,560.16
  5. Step 5: Solve for x
    x = 269,624,560.16/18,215.64
  6. Step 6: Final answer
    x = 14,801.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.