Home / 18,526.71-27,794.36-5,378.66

Finding the Fourth Proportional to 18,526.71, 27,794.36 and 5,378.66

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Solution

The fourth proportional to 18,526.71, 27,794.36 and 5,378.66 is: 8,069.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,526.71 : 27,794.36 = 5,378.66 : x
  2. Step 2: Convert to fraction form
    18,526.71/27,794.36 = 5,378.66/x
  3. Step 3: Cross multiply
    18,526.71x = 27,794.36 × 5,378.66
  4. Step 4: Simplify right side
    18,526.71x = 149,496,412.36
  5. Step 5: Solve for x
    x = 149,496,412.36/18,526.71
  6. Step 6: Final answer
    x = 8,069.24

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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.