Home / 18,439.07-27,609.39-9,655.52

Finding the Fourth Proportional to 18,439.07, 27,609.39 and 9,655.52

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Solution

The fourth proportional to 18,439.07, 27,609.39 and 9,655.52 is: 14,457.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,439.07 : 27,609.39 = 9,655.52 : x
  2. Step 2: Convert to fraction form
    18,439.07/27,609.39 = 9,655.52/x
  3. Step 3: Cross multiply
    18,439.07x = 27,609.39 × 9,655.52
  4. Step 4: Simplify right side
    18,439.07x = 266,582,879.29
  5. Step 5: Solve for x
    x = 266,582,879.29/18,439.07
  6. Step 6: Final answer
    x = 14,457.51

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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.