Home / 18,007.32-27,023.13-6,320.64

Finding the Fourth Proportional to 18,007.32, 27,023.13 and 6,320.64

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Solution

The fourth proportional to 18,007.32, 27,023.13 and 6,320.64 is: 9,485.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,007.32 : 27,023.13 = 6,320.64 : x
  2. Step 2: Convert to fraction form
    18,007.32/27,023.13 = 6,320.64/x
  3. Step 3: Cross multiply
    18,007.32x = 27,023.13 × 6,320.64
  4. Step 4: Simplify right side
    18,007.32x = 170,803,476.40
  5. Step 5: Solve for x
    x = 170,803,476.40/18,007.32
  6. Step 6: Final answer
    x = 9,485.22

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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.