Home / 18,439.32-27,609.76-9,655.77

Finding the Fourth Proportional to 18,439.32, 27,609.76 and 9,655.77

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Solution

The fourth proportional to 18,439.32, 27,609.76 and 9,655.77 is: 14,457.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,439.32 : 27,609.76 = 9,655.77 : x
  2. Step 2: Convert to fraction form
    18,439.32/27,609.76 = 9,655.77/x
  3. Step 3: Cross multiply
    18,439.32x = 27,609.76 × 9,655.77
  4. Step 4: Simplify right side
    18,439.32x = 266,593,492.32
  5. Step 5: Solve for x
    x = 266,593,492.32/18,439.32
  6. Step 6: Final answer
    x = 14,457.88

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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.