Home / 13,262.27-18,294.32-8,285.63

Finding the Fourth Proportional to 13,262.27, 18,294.32 and 8,285.63

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Solution

The fourth proportional to 13,262.27, 18,294.32 and 8,285.63 is: 11,429.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,262.27 : 18,294.32 = 8,285.63 : x
  2. Step 2: Convert to fraction form
    13,262.27/18,294.32 = 8,285.63/x
  3. Step 3: Cross multiply
    13,262.27x = 18,294.32 × 8,285.63
  4. Step 4: Simplify right side
    13,262.27x = 151,579,895.86
  5. Step 5: Solve for x
    x = 151,579,895.86/13,262.27
  6. Step 6: Final answer
    x = 11,429.41

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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.