Home / 18,588.18-25,651.68-10,630.32

Finding the Fourth Proportional to 18,588.18, 25,651.68 and 10,630.32

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Solution

The fourth proportional to 18,588.18, 25,651.68 and 10,630.32 is: 14,669.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,588.18 : 25,651.68 = 10,630.32 : x
  2. Step 2: Convert to fraction form
    18,588.18/25,651.68 = 10,630.32/x
  3. Step 3: Cross multiply
    18,588.18x = 25,651.68 × 10,630.32
  4. Step 4: Simplify right side
    18,588.18x = 272,685,566.94
  5. Step 5: Solve for x
    x = 272,685,566.94/18,588.18
  6. Step 6: Final answer
    x = 14,669.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.