Home / 18,228.46-27,345.63-7,700.06

Finding the Fourth Proportional to 18,228.46, 27,345.63 and 7,700.06

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Solution

The fourth proportional to 18,228.46, 27,345.63 and 7,700.06 is: 11,551.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,228.46 : 27,345.63 = 7,700.06 : x
  2. Step 2: Convert to fraction form
    18,228.46/27,345.63 = 7,700.06/x
  3. Step 3: Cross multiply
    18,228.46x = 27,345.63 × 7,700.06
  4. Step 4: Simplify right side
    18,228.46x = 210,563,088.98
  5. Step 5: Solve for x
    x = 210,563,088.98/18,228.46
  6. Step 6: Final answer
    x = 11,551.34

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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.